853 FNUS55 KRIW 281202 FWFRIW Fire Weather Planning Forecast for Western and Central Wyoming National Weather Service Riverton WY 501 AM MST Sat Feb 28 2026 .DISCUSSION... ***This product is currently automated with no discussion and will not be refreshed with all forecast updates. It should be used for planning purposes only. If you need additional fire weather information, please contact the NWS office in Riverton, Wyoming. The human written discussion section along with the fire weather forecast will resume regular operations sometime in Spring 2026.*** ---Thunderstorms imply strong gusty and erratic winds--- WYZ280-282300- Natrona County/Casper BLM- Including the cities of Casper and Midwest 501 AM MST Sat Feb 28 2026 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....52-57. 24 hr trend......2 degrees cooler. Min humidity........17-23 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West winds around 15 mph until 1500, then northwest. Gusts up to 25 mph. Ridge top winds.....West around 20 mph until 1600, then northwest. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph until 1700, then northwest. Mixing Height.......600-1800 ft agl until 1000, then 2800-4800 ft agl until 1300, then 4600-6600 ft agl until 1600, then 1600-3600 ft agl. Smoke dispersal.....Good until 1700, then poor. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Min temperature.....32-37. 24 hr trend......2 degrees cooler. Max humidity........49-55 percent. 24 hr trend......11 percent wetter. Humidity recovery...Moderate. 20-foot winds.......Northeast winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northeast 10 to 15 mph until 0200, then southwest. Chc of wetting rain.Zero percent. Transport winds.....Northeast 10 to 15 mph until 0200, then southwest. Mixing Height.......400-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....53-58. 24 hr trend......Unchanged. Min humidity........30-36 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west around 10 mph. Gusts up to 15 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......600-2600 ft agl until 1200, then 3400-5000 ft agl until 1400, then 4200-6200 ft agl until 1600, then 2000-3800 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Slight chance of showers after midnight. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Cloudy with chance of showers and slight chance of snow showers. Lows in the lower 30s. Highs in the mid 50s. Northwest winds around 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and snow showers. Lows in the lower 30s. Highs in the lower 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers. Lows in the lower 30s. Highs in the upper 50s. Southwest winds around 15 mph. .THURSDAY...Cooler. Mostly cloudy with snow showers likely and chance of showers. Lows in the mid 20s. Highs in the upper 40s. .FRIDAY...Mostly cloudy. Slight chance of snow showers in the morning. Highs in the mid 40s. $$ WYZ283-282300- Upper Wind River Basin/Wind River Basin- Including the cities of Crowheart, Lander, Riverton, and Shoshoni 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....51-56. 24 hr trend......Unchanged. Min humidity........19-25 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......800-2800 ft agl until 1200, then 2800-4800 ft agl until 1700, then 1600-2400 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Min temperature.....31-36. 24 hr trend......1 degree warmer. Max humidity........51-57 percent. 24 hr trend......7 percent wetter. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph until 0300, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......400-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....50-55. 24 hr trend......1 degree cooler. Min humidity........35-41 percent. 24 hr trend......14 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph. Ridge top winds.....Southwest around 10 mph until 1300. West after 1700. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph. Mixing Height.......1200-3200 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Slight chance of showers after midnight. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with chance of showers and slight chance of snow showers. Lows in the lower 30s. Highs in the lower 50s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and snow showers. Lows in the upper 20s. Highs in the lower 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Chance of snow showers and slight chance of showers. Lows in the lower 30s. Highs in the mid 50s. Southwest winds around 10 mph. .THURSDAY...Cooler. Mostly cloudy with chance of snow showers and showers. Lows in the lower 20s. Highs in the mid 40s. .FRIDAY...Mostly cloudy. Slight chance of snow showers in the morning. Highs in the upper 40s. $$ WYZ285-282300- South Bighorn Mountains- 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....44-49. 24 hr trend......2 degrees cooler. Min humidity........22-28 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph until 1500, then 15 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1800-3800 ft agl until 1700, then 600-1000 ft agl. Smoke dispersal.....Poor. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy then becoming partly cloudy. Chance of thunder...0 percent. Min temperature.....28-33. 24 hr trend......2 degrees cooler. Max humidity........47-53 percent. 24 hr trend......8 percent wetter. Humidity recovery...Moderate. 20-foot winds.......Southeast winds around 10 mph until 2400, then west. Gusts up to 15 mph. Ridge top winds.....Southeast around 15 mph until 2400, then southwest until 0500, then west. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 15 mph until 2300. West after 0200. Mixing Height.......200-600 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....45-50. 24 hr trend......1 degree warmer. Min humidity........31-37 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph until 1500, then upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 1700, then 400-800 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the upper 40s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of snow showers. Lows in the lower 30s. Highs in the upper 40s. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy. Chance of snow showers and slight chance of showers. Lows in the lower 30s. Highs around 50. Southwest winds around 15 mph. .THURSDAY...Colder. Mostly cloudy with snow showers likely. Lows in the mid 20s. Highs around 40. .FRIDAY...Mostly cloudy with slight chance of snow showers. Highs around 40. $$ WYZ281-282300- Johnson County/Casper BLM- Including the cities of Buffalo and Kaycee 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....44-49. 24 hr trend......10 degrees cooler. Min humidity........26-32 percent. 24 hr trend......14 percent wetter. 20-foot winds.......West winds around 10 mph until 0900, then north with higher gusts. Ridge top winds.....West around 15 mph until 0900, then north until 1600, then northeast. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph until 0900. Northeast after 1700. Mixing Height.......400-2000 ft agl until 1000, then 2000-4000 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Chance of thunder...0 percent. Min temperature.....26-31. 24 hr trend......6 degrees cooler. Max humidity........59-65 percent. 24 hr trend......17 percent wetter. Humidity recovery...Good. 20-foot winds.......Northeast winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....East 10 to 15 mph until 2300, then southeast. Chc of wetting rain.Zero percent. Transport winds.....East around 15 mph until 2200. South after 0400. Mixing Height.......400-1600 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....48-53. 24 hr trend......5 degrees warmer. Min humidity........29-35 percent. 24 hr trend......2 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph. Ridge top winds.....South around 10 mph until 1100, then east. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing Height.......1200-3200 ft agl until 1700, then 600-1000 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 30s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with chance of showers. Lows in the lower 30s. Highs in the mid 50s. Winds generally less than 10 mph. .TUESDAY...Clear. Lows in the lower 30s. Highs in the mid 50s. South winds around 10 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers. Lows in the lower 30s. Highs in the lower 60s. Southwest winds around 10 mph. .THURSDAY...Cooler. Mostly cloudy with chance of showers and snow showers. Lows in the mid 20s. Highs in the upper 40s. .FRIDAY...Mostly cloudy. Highs around 50. $$ WYZ282-282300- South Bighorn Basin/Worland BLM- Including the cities of Ten Sleep, Thermopolis, and Worland 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......3 degrees cooler. Min humidity........22-28 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph. Ridge top winds.....Southwest around 10 mph until 1000, then north until 1400, then northeast. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 0900. East after 1700. Mixing Height.......600-2600 ft agl until 1300, then 1800-3600 ft agl until 1700, then 1000-1200 ft agl. Smoke dispersal.....Poor. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Chance of thunder...0 percent. Min temperature.....27-32. 24 hr trend......1 degree cooler. Max humidity........53-59 percent. 24 hr trend......10 percent wetter. Humidity recovery...Moderate. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Northeast around 10 mph until 2200, then northwest until 0300, then southwest until 0500, then south. Chc of wetting rain.Zero percent. Transport winds.....East around 10 mph until 2100, then northwest until 2400, then east until 0100, then south until 0300, then southwest until 0400, then southeast. Mixing Height.......400-800 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......Unchanged. Min humidity........31-37 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph. Ridge top winds.....South around 5 mph until 1100, then northeast. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 5 mph until 0700, then southwest until 1000, then southeast. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy. Chance of showers. Lows in the lower 30s. Highs in the mid 50s. Winds generally less than 10 mph. .TUESDAY...Clear. Lows in the lower 30s. Highs in the upper 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Chance of snow showers and slight chance of showers. Lows in the lower 30s. Highs in the upper 50s. South winds around 10 mph. .THURSDAY...Cooler. Mostly cloudy with showers likely and chance of snow showers. Lows in the mid 20s. Highs in the upper 40s. .FRIDAY...Partly cloudy. Highs around 50. $$ WYZ275-282300- North Bighorn Basin/Worland BLM- Including the cities of Greybull, Lovell, and Powell 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....42-47. 24 hr trend......5 degrees cooler. Min humidity........27-33 percent. 24 hr trend......6 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph until 0700, then northwest until 1600, then northeast. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 0700, then northwest until 1700, then east. Mixing Height.......400-2200 ft agl until 1100, then 2200-4200 ft agl until 1700, then 1000-1400 ft agl. Smoke dispersal.....Poor. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Chance of thunder...0 percent. Min temperature.....26-31. 24 hr trend......3 degrees cooler. Max humidity........54-60 percent. 24 hr trend......11 percent wetter. Humidity recovery...Moderate. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....North 10 to 15 mph until 2200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....Northeast around 15 mph until 2100, then northwest. Mixing Height.......400-800 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....44-49. 24 hr trend......1 degree warmer. Min humidity........32-38 percent. 24 hr trend......6 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then southeast around 10 mph and gusty. Ridge top winds.....Southwest around 5 mph until 0800, then south until 1500, then southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 5 mph until 0800, then south until 1500, then around 15 mph. Mixing Height.......400-2400 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Partly cloudy. Slight chance of showers. Lows in the lower 30s. Highs in the mid 50s. Winds generally less than 10 mph. .TUESDAY...Clear. Lows in the lower 30s. Highs in the upper 50s. Southeast winds around 10 mph. .WEDNESDAY...Mostly cloudy. Chance of showers and snow showers. Lows in the lower 30s. Highs in the upper 50s. South winds around 10 mph. .THURSDAY...Cooler. Mostly cloudy with chance of showers and snow showers. Lows in the mid 20s. Highs in the upper 40s. .FRIDAY...Partly cloudy. Highs around 50. $$ WYZ276-282300- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....48-53. 24 hr trend......1 degree cooler. Min humidity........24-30 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Northwest winds 10 to 15 mph with higher gusts. Ridge top winds.....Northwest 15 to 20 mph until 1700, then around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1000-3000 ft agl until 1100, then 3400-5200 ft agl until 1600, then 1400-3200 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Min temperature.....28-33. 24 hr trend......4 degrees cooler. Max humidity........52-58 percent. 24 hr trend......14 percent wetter. Humidity recovery...Moderate. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 15 mph until 2200, then west. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph until 2100, then west. Mixing Height.......400-1200 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....49-54. 24 hr trend......1 degree warmer. Min humidity........33-39 percent. 24 hr trend......8 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south around 10 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph until 1100, then south. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......800-2800 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy. Chance of showers and snow showers. Lows in the lower 30s. Highs in the lower 50s. Winds generally less than 10 mph. .TUESDAY...Clear. Lows in the lower 30s. Highs in the mid 50s. Southwest winds around 10 mph. .WEDNESDAY...Mostly cloudy. Chance of showers and snow showers. Lows in the lower 30s. Highs in the mid 50s. Southwest winds around 10 mph. .THURSDAY...Colder. Cloudy with chance of snow showers and showers. Lows in the mid 20s. Highs in the mid 40s. .FRIDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ287-282300- Owl Creek Mountains- 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....45-50. 24 hr trend......2 degrees cooler. Min humidity........19-25 percent. 24 hr trend......5 percent wetter. 20-foot winds.......West winds 10 to 15 mph until 1200, then northwest. Ridge top winds.....West 15 to 20 mph until 1000, then northwest. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1200-3200 ft agl until 1300, then 2200-4200 ft agl until 1700, then 1200-1800 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Min temperature.....31-36. 24 hr trend......Unchanged. Max humidity........44-50 percent. 24 hr trend......11 percent wetter. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 15 mph until 1900, then southwest. Mixing Height.......200-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....45-50. 24 hr trend......1 degree cooler. Min humidity........35-41 percent. 24 hr trend......14 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then southeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph until 1000, then southeast. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph until 0900, then east until 1000, then south. Mixing Height.......200-1400 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the upper 40s. Winds generally less than 10 mph. .TUESDAY...Clear. Lows in the lower 30s. Highs around 50. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy. Chance of snow showers and showers. Lows in the lower 30s. Highs in the lower 50s. Southwest winds around 10 mph. .THURSDAY...Colder. Mostly cloudy with snow showers likely and chance of showers. Lows in the mid 20s. Highs in the lower 40s. .FRIDAY...Partly cloudy. Slight chance of snow showers in the afternoon. Highs in the mid 40s. $$ WYZ286-282300- Absaroka Mountains/North Shoshone NF- Including the city of Pahaska 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....36-41. 24 hr trend......2 degrees cooler. Min humidity........38-44 percent. 24 hr trend......9 percent wetter. 20-foot winds.......West winds 15 to 20 mph with gusts to around 30 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West 25 to 30 mph until 1700, then around 20 mph. Mixing Height.......600-2600 ft agl until 1100, then 3200-5200 ft agl until 1700, then 1600-2600 ft agl. Smoke dispersal.....Good until 1700, then poor. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy then becoming partly cloudy. Slight chance of snow showers early in the morning. Chance of snow 20 percent. Chance of thunder...0 percent. Min temperature.....22-27. 24 hr trend......Unchanged. Max humidity........64-70 percent. 24 hr trend......11 percent wetter. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......400-1400 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Slight chance of snow showers in the morning, then chance of snow showers late in the morning. Chance of rain showers early in the afternoon. Chance of precipitation 50 percent. Chance of thunder...0 percent. Max temperature.....38-43. 24 hr trend......1 degree warmer. Min humidity........55-61 percent. 24 hr trend......17 percent wetter. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1200-3200 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Chance of snow showers and showers in the evening, then chance of snow showers after midnight. Lows in the upper 20s. West winds around 10 mph. .MONDAY...Mostly cloudy. Snow showers likely and slight chance of thunderstorms. Lows in the lower 20s. Highs in the upper 30s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Lows in the mid 20s. Highs in the lower 40s. West winds around 10 mph. .WEDNESDAY...Mostly cloudy. Snow showers likely. Lows in the mid 20s. Highs around 40. West winds around 15 mph. .THURSDAY...Mostly cloudy with snow showers likely. Lows around 16. Highs in the lower 30s. .FRIDAY...Partly cloudy with slight chance of snow showers. Highs in the mid 30s. $$ WYZ140-282300- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....37-42. 24 hr trend......2 degrees cooler. Min humidity........44-50 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Southwest winds around 10 mph with higher gusts. Ridge top winds.....Southwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 15 to 20 mph. Mixing Height.......1600-3600 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy then becoming partly cloudy. Slight chance of snow showers early in the morning. Chance of snow 20 percent. Chance of thunder...0 percent. Min temperature.....21-26. 24 hr trend......3 degrees warmer. Max humidity........78-84 percent. 24 hr trend......11 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......400-1200 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Slight chance of snow showers in the morning, then chance of snow showers late in the morning. Chance of rain showers late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...0 percent. Max temperature.....38-43. 24 hr trend......1 degree warmer. Min humidity........63-69 percent. 24 hr trend......20 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then southwest around 10 mph until 1500, then upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 15 percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......800-2800 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Chance of snow showers and showers in the evening, then chance of snow showers after midnight. Lows in the upper 20s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy. Snow showers likely. Lows around 18. Highs in the upper 30s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Lows in the lower 20s. Highs around 40. Winds generally less than 10 mph. .WEDNESDAY...Snow showers. Lows in the lower 20s. Highs in the upper 30s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy with snow showers. Lows around 13. Highs in the lower 30s. .FRIDAY...Partly cloudy. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Highs in the mid 30s. $$ WYZ415-282300- North Zone Bridger Teton NF and Grand Teton NP- Including the cities of Jackson and Moran 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....35-40. 24 hr trend......1 degree cooler. Min humidity........44-50 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then southwest around 10 mph. Gusts up to 15 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph until 1400, then 15 to 20 mph. Mixing Height.......800-2800 ft agl until 1300, then 2000-4000 ft agl until 1700, then 1200-2000 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of snow showers early in the morning. Chance of snow showers early in the morning. Chance of snow 50 percent. Chance of thunder...0 percent. Min temperature.....21-26. 24 hr trend......5 degrees warmer. Max humidity........84-90 percent. 24 hr trend......18 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing Height.......400-1200 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of snow showers in the morning, then snow showers and rain showers likely late in the morning. Snow accumulation up to 2 inches. Chance of precipitation 70 percent. Chance of thunder...0 percent. Max temperature.....34-39. 24 hr trend......1 degree cooler. Min humidity........80-86 percent. 24 hr trend......32 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph. Ridge top winds.....South around 10 mph until 1300, then southwest. Chc of wetting rain.10 percent until 1200, then 55 percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Snow showers and showers likely. Lows in the upper 20s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with snow showers, showers and slight chance of thunderstorms. Lows in the lower 20s. Highs in the upper 30s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of snow showers. Lows in the lower 20s. Highs around 40. Winds generally less than 10 mph. .WEDNESDAY...Snow showers and chance of showers. Lows in the lower 20s. Highs in the upper 30s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy with snow showers. Lows around 14. Highs in the lower 30s. .FRIDAY...Partly cloudy with chance of snow showers. Highs in the mid 30s. $$ WYZ416-282300- West Wind River Mountains/East Zone Bridger Teton NF- 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....33-38. 24 hr trend......2 degrees cooler. Min humidity........42-48 percent. 24 hr trend......12 percent wetter. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1200-3200 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of snow showers early in the morning. Chance of snow 50 percent. Chance of thunder...0 percent. Min temperature.....18-23. 24 hr trend......3 degrees warmer. Max humidity........78-84 percent. 24 hr trend......18 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......400-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of snow showers in the morning, then snow showers likely late in the morning. Chance of snow showers late in the afternoon. Snow accumulation up to 1 inch. Chance of snow 70 percent. Chance of thunder...0 percent. Max temperature.....33-38. 24 hr trend......Unchanged. Min humidity........73-79 percent. 24 hr trend......31 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then southwest around 10 mph until 1500, then upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 25 percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......800-2800 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy with chance of snow showers. Lows in the mid 20s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with snow showers and slight chance of thunderstorms. Lows around 20. Highs in the mid 30s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of snow showers. Lows around 19. Highs in the upper 30s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Chance of snow showers. Lows around 20. Highs in the mid 30s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy with snow showers. Lows around 12. Highs in the lower 30s. .FRIDAY...Partly cloudy. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Highs in the lower 30s. $$ WYZ288-282300- East Wind River Mountains/South Shoshone NF- Including the cities of Dubois and South Pass 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....39-44. 24 hr trend......1 degree cooler. Min humidity........33-39 percent. 24 hr trend......9 percent wetter. 20-foot winds.......West winds 15 to 20 mph with gusts to around 30 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......1800-3800 ft agl until 1700, then 800-1600 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of snow showers early in the morning. Chance of snow 20 percent. Chance of thunder...0 percent. Min temperature.....24-29. 24 hr trend......1 degree warmer. Max humidity........64-70 percent. 24 hr trend......16 percent wetter. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph and gusty. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......400-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of snow showers through the day. Chance of rain showers in the afternoon. Chance of precipitation 50 percent. Chance of thunder...0 percent. Max temperature.....39-44. 24 hr trend......Unchanged. Min humidity........58-64 percent. 24 hr trend......22 percent wetter. 20-foot winds.......West winds around 10 mph. Gusts up to 20 mph until 1200, then 25 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....West around 15 mph. Mixing Height.......600-2600 ft agl until 1300, then 1600-3600 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Chance of snow showers and slight chance of showers in the evening, then chance of snow showers and showers after midnight. Lows in the upper 20s. Winds generally less than 10 mph. .MONDAY...Snow showers with possible showers and thunderstorms likely. Lows in the mid 20s. Highs around 40. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Chance of snow showers. Lows in the mid 20s. Highs around 40. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Chance of snow showers. Lows in the mid 20s. Highs in the lower 40s. West winds around 15 mph. .THURSDAY...Mostly cloudy with snow showers likely. Lows around 18. Highs in the mid 30s. .FRIDAY...Partly cloudy. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Highs in the mid 30s. $$ WYZ414-282300- Salt and Wyoming Ranges/West Zone Bridger Teton NF- Including the city of Afton 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....36-41. 24 hr trend......1 degree cooler. Min humidity........40-46 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......1000-3000 ft agl. Smoke dispersal.....Poor. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of snow showers after midnight. Chance of snow showers early in the morning, then snow showers likely early in the morning. Little or no snow accumulation. Chance of snow 70 percent. Chance of thunder...0 percent. Min temperature.....23-28. 24 hr trend......4 degrees warmer. Max humidity........84-90 percent. 24 hr trend......25 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph. Mixing Height.......400-1200 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Snow showers and rain showers. Snow accumulation up to 2 inches. Chance of precipitation 90 percent. Chance of thunder...0 percent. Max temperature.....35-40. 24 hr trend......1 degree cooler. Min humidity........77-83 percent. 24 hr trend......39 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then southwest around 10 mph until 1500, then upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.25 percent until 1200, then 60 percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......800-2800 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .SUNDAY NIGHT...Showers and snow showers likely. Lows in the upper 20s. Winds generally less than 10 mph. .MONDAY...Cloudy with snow showers and showers. Lows in the mid 20s. Highs in the upper 30s. Winds generally less than 10 mph. .TUESDAY...Mostly clear with chance of snow showers. Lows in the lower 20s. Highs in the lower 40s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Snow showers with showers likely. Lows in the mid 20s. Highs in the lower 40s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy with snow showers. Lows around 17. Highs in the lower 30s. .FRIDAY...Partly cloudy with chance of snow showers. Highs in the mid 30s. $$ WYZ278-282300- Upper Green River Basin/Rock Springs BLM- Including the cities of Big Piney, Farson, and Pinedale 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy then becoming mostly cloudy. Chance of thunder...0 percent. Max temperature.....42-47. 24 hr trend......1 degree warmer. Min humidity........34-40 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......600-2600 ft agl until 1300, then 1400-3400 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of snow showers early in the morning. Chance of snow 50 percent. Chance of thunder...0 percent. Min temperature.....22-27. 24 hr trend......4 degrees warmer. Max humidity........76-82 percent. 24 hr trend......7 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10 mph until 2400. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......400-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of snow showers through the day. Chance of rain showers early in the afternoon, then slight chance of rain showers late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...0 percent. Max temperature.....42-47. 24 hr trend......1 degree cooler. Min humidity........64-70 percent. 24 hr trend......28 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph and gusty. Ridge top winds.....Northwest around 10 mph until 1000, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest around 10 mph until 1100, then west. Mixing Height.......400-2200 ft agl until 1200, then 2400-4400 ft agl until 1700, then 1800-2400 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Chance of snow showers and slight chance of showers in the evening, then chance of showers and snow showers after midnight. Lows in the upper 20s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with showers likely with possible snow showers and thunderstorms. Lows in the mid 20s. Highs in the mid 40s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of snow showers. Lows in the lower 20s. Highs in the mid 40s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Slight chance of snow showers and showers. Lows in the mid 20s. Highs in the upper 40s. West winds around 10 mph. .THURSDAY...Mostly cloudy. Chance of snow showers. Lows around 18. Highs in the lower 40s. .FRIDAY...Partly cloudy with slight chance of snow showers. Highs in the lower 40s. $$ WYZ277-282300- Lincoln and Uinta Counties/Lower Elevations- Including the cities of Evanston, Fort Bridger, and Kemmerer 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy then becoming mostly cloudy. Chance of thunder...0 percent. Max temperature.....42-47. 24 hr trend......2 degrees warmer. Min humidity........39-45 percent. 24 hr trend......2 percent wetter. 20-foot winds.......West winds 10 to 15 mph with higher gusts. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1000-3000 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of rain showers and snow showers early in the morning. Chance of rain showers and snow showers early in the morning. Chance of precipitation 50 percent. Chance of thunder...0 percent. Min temperature.....27-32. 24 hr trend......4 degrees warmer. Max humidity........87-93 percent. 24 hr trend......16 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......400-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of snow showers in the morning. Chance of rain showers through the day. Chance of precipitation 50 percent. Chance of thunder...0 percent. Max temperature.....43-48. 24 hr trend......1 degree warmer. Min humidity........63-69 percent. 24 hr trend......22 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west around 10 mph with higher gusts. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 10 to 15 mph. Mixing Height.......600-2600 ft agl until 1200, then 2400-4400 ft agl until 1700, then 1600-2400 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Slight chance of showers in the evening, then chance of showers and slight chance of snow showers after midnight. Lows in the lower 30s. Winds generally less than 10 mph. .MONDAY...Mostly cloudy with snow showers with showers likely. Lows in the upper 20s. Highs in the mid 40s. Winds generally less than 10 mph. .TUESDAY...Mostly clear with slight chance of showers and snow showers. Lows in the mid 20s. Highs in the mid 40s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Chance of snow showers and showers. Lows in the upper 20s. Highs in the upper 40s. West winds around 10 mph. .THURSDAY...Mostly cloudy with chance of snow showers. Lows in the lower 20s. Highs in the upper 30s. .FRIDAY...Partly cloudy with slight chance of snow showers. Highs around 40. $$ WYZ279-282300- Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Including the cities of Green River, Rock Springs, and Wamsutter 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy then becoming mostly cloudy. Chance of thunder...0 percent. Max temperature.....48-53. 24 hr trend......2 degrees warmer. Min humidity........23-29 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest winds 10 to 15 mph until 1200, then west 15 to 20 mph. Gusts up to 25 mph. Ridge top winds.....Southwest 15 to 20 mph until 1200. West after 1700. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph until 1100, then 20 to 25 mph. Mixing Height.......400-2400 ft agl until 1100, then 2200-4200 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Min temperature.....32-37. 24 hr trend......4 degrees warmer. Max humidity........73-79 percent. 24 hr trend......10 percent wetter. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......400-1400 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Max temperature.....48-53. 24 hr trend......Unchanged. Min humidity........51-57 percent. 24 hr trend......29 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west 10 to 15 mph with higher gusts. Ridge top winds.....Southwest 10 to 15 mph until 1200, then west 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph until 1100, then west 20 to 25 mph. Mixing Height.......600-2600 ft agl until 1200, then 2800-4800 ft agl. Smoke dispersal.....Fair to good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Chance of showers after midnight. Lows in the lower 30s. Winds generally less than 10 mph. .MONDAY...Showers likely with possible snow showers and thunderstorms. Lows around 30. Highs in the lower 50s. Northwest winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of showers and snow showers. Lows 25 to 30. Highs 46 to 51. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy. Chance of snow showers. Lows in the lower 20s. Highs in the lower 40s. .FRIDAY...Mostly cloudy. Highs in the lower 40s. $$ WYZ289-282300- Granite/Green/Ferris/Rattlesnake Mountains- Including the city of Jeffrey City 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......Unchanged. Min humidity........29-35 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Southwest winds 15 to 20 mph with gusts to around 30 mph. Ridge top winds.....Southwest 20 to 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......600-2600 ft agl until 1200, then 2600-4600 ft agl until 1700, then 2000-2600 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Min temperature.....30-35. 24 hr trend......1 degree warmer. Max humidity........61-67 percent. 24 hr trend......7 percent wetter. Humidity recovery...Good. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 0300, then downslope/downvalley 4-7 mph. Ridge top winds.....West 15 to 20 mph until 0200, then southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......400-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Slight chance of snow showers late in the morning. Slight chance of rain showers late in the morning. Chance of precipitation 20 percent. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......Unchanged. Min humidity........46-52 percent. 24 hr trend......22 percent wetter. 20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20 mph until 1200, then 25 mph. Ridge top winds.....Southwest 10 to 15 mph until 1200, then 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......400-2400 ft agl until 1200, then 2600-4600 ft agl. Smoke dispersal.....Fair to good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Chance of showers after midnight. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Showers, snow showers likely and slight chance of thunderstorms. Lows in the upper 20s. Highs around 50. Northwest winds around 10 mph. .TUESDAY...Mostly clear with chance of snow showers and showers. Lows in the upper 20s. Highs in the upper 40s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers and snow showers. Lows around 30. Highs in the lower 50s. Southwest winds around 15 mph. .THURSDAY...Mostly cloudy with chance of snow showers. Lows in the lower 20s. Highs in the lower 40s. .FRIDAY...Mostly cloudy with slight chance of snow showers. Highs in the lower 40s. $$ WYZ300-282300- Casper Mountain- 501 AM MST Sat Feb 28 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......2 degrees warmer. Min humidity........19-25 percent. 24 hr trend......Unchanged. 20-foot winds.......West winds 15 to 20 mph with gusts to around 30 mph. Ridge top winds.....West 20 to 25 mph until 1700, then around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph until 1400, then 25 to 30 mph until 1700, then around 15 mph. Mixing Height.......400-2400 ft agl until 1100, then 2800-4800 ft agl until 1400, then 4000-5600 ft agl until 1600, then 1800-3400 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good until 1700, then poor. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunder...0 percent. Min temperature.....31-36. 24 hr trend......2 degrees warmer. Max humidity........51-57 percent. 24 hr trend......5 percent wetter. Humidity recovery...Moderate. 20-foot winds.......Southwest winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 15 mph until 2200, then 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph until 2300, then southwest. Mixing Height.......200-1000 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly cloudy. Slight chance of rain showers and snow showers late in the morning. Chance of precipitation 20 percent. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......Unchanged. Min humidity........37-43 percent. 24 hr trend......18 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....Southwest 10 to 15 mph until 1300, then west. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......200-2200 ft agl until 1100, then 2800-4800 ft agl until 1700, then 2200-2600 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Slight chance of showers in the evening, then chance of showers after midnight. Lows in the mid 30s. Winds generally less than 10 mph. .MONDAY...Showers, snow showers likely and slight chance of thunderstorms. Lows around 30. Highs in the upper 40s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy with chance of snow showers and slight chance of showers. Lows in the upper 20s. Highs in the mid 40s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers and snow showers. Lows in the lower 30s. Highs in the upper 40s. Southwest winds around 15 mph. .THURSDAY...Mostly cloudy. Snow showers likely. Lows in the lower 20s. Highs in the lower 40s. .FRIDAY...Mostly cloudy with slight chance of snow showers. Highs in the upper 30s. $$