445 FNUS55 KMSO 290957 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 357 AM MDT Mon Jun 29 2026 .DISCUSSION... Idaho (Zones 102 and 103): Satellite and radar observations show a large low pressure system spinning over central Montana, near Great Falls this morning, that is spreading moderate rainfall across all zones and districts this morning. The past 24hr rainfall amounts have ranged between 0.30" and 1.50'. The higher end of this range have mostly fallen in the Nez Perce-Clearwater National Forests. Several inches of snow has also fallen along the Bitterroot Crest along the ID/MT border. Light to moderate rainfall will continue through the day today, with additional rainfall amounts between 0.50" and 1.50" ending Tuesday morning. While temperatures will moderate to more seasonable highs this week, a moist southwesterly flow will keep daily showers and isolated thunderstorms in the forecast through the rest of the week. A multiple day drying trend is not in the forecast for the next several days. Northwest MT (Zones 104 and 105): Satellite and radar observations show a large low pressure system spinning over central Montana, near Great Falls this morning, that is spreading moderate rainfall across all zones and districts this morning. The past 24hr rainfall amounts have ranged between 0.30" and 1.50'. The higher end of this range have mostly fallen in the Flathead National Forest and the lowest amounts in the Kootenai National Forest. Several inches of snow has also fallen along the crest of the Continental divide. Light to moderate rainfall will continue through the day today, with additional rainfall amounts between 0.50" and 1.50" ending Tuesday morning. While temperatures will moderate to more seasonable highs this week, a moist southwesterly flow will keep daily showers and isolated thunderstorms in the forecast through the end of the week. A multiple day drying trend is not in the forecast for the next several days. West Central MT (Zones 106, 107 and 108): Satellite and radar observations show a large low pressure system spinning over central Montana, near Great Falls this morning, that is spreading moderate rainfall across all zones and districts this morning. The past 24hr rainfall amounts have ranged between 0.20" and 1.25'. The higher end of this range have mostly fallen in the West Lolo National Forest. Several inches of snow has also fallen along the Bitterroot Crest. Light to moderate rainfall will continue through the day today, with additional rainfall amounts between 0.50" and 1.25" ending Tuesday morning. The latest high- resolution guidance is indicating an additional 2 to 2.50" falling in the Mission Range of the CSKT. There will be a risk of rockfalls and/or debris flows in the Mission Range, east of Highway 93. While temperatures will moderate to more seasonable highs this week, a moist southwesterly flow will keep daily showers and isolated thunderstorms in the forecast through the end of the week. A multiple day drying trend is not in the forecast for the next several days. Southwest MT (Zones 109, 110 and 111): Satellite and radar observations show a large low pressure system spinning over central Montana, near Great Falls this morning, that is spreading moderate rainfall across all zones and districts this morning. The past 24hr rainfall amounts have ranged between 0.40" and 1.50'. The higher end of this range have mostly fallen along and west of the I-15 Corridor. Several inches of snow has also fallen in elevations above 6500 feet. Light to moderate rainfall will continue through the day today, with additional rainfall amounts between 0.20" and 1.25" ending Tuesday morning. The latest high-resolution guidance is indicating the higher amounts falling in the terrain and the lowest amounts in the Dillon District. While temperatures will moderate to more seasonable highs this week, a moist southwesterly flow will keep daily showers and isolated thunderstorms in the forecast through the end of the week. A multiple day drying trend is not in the forecast for the next several days. IDZ102-103-301000- Palouse/Hells Canyon-Clearwater/Nez Perce- 257 AM PDT Mon Jun 29 2026 .TODAY... * Sky/Weather.........Rain showers in the morning, then rain in the afternoon. * Max Temperature.....60-70 valleys and 45-55 ridges. * Min Humidity........63-73 percent valleys and 78-88 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 15-25 mph in the morning becoming variable less than 7 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...100 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain. * Min Temperature.....45-50 valleys and 38-48 ridges. * Max Humidity........76-86 percent. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Chance of rain showers. Slight chance of thunderstorms in the afternoon. * Max Temperature.....70-80 valleys and 60-65 ridges. * Min Humidity........49-59 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......1-2 kft agl until 1100. 6 kft agl after 1300. * Transport Winds.....Variable less than 10 mph until 1500, then west 10 mph. * Chance Lightning....20 percent over the Palouse/Hells Canyon...and 30 percent toward the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...10 percent over the Palouse/Hells Canyon...and 30 percent toward the Clearwater/Nez Perce. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 45-55. Highs 65-75. Min humidities 25-35 percent. West winds 5-10 mph. .THURSDAY...Partly cloudy. Lows 45-55. Highs 70-80. Min humidities 20-30 percent. West winds 5-10 mph. .FRIDAY...Partly cloudy. Lows 45-55. Highs 70-80. West winds 10-15 mph. .INDEPENDENCE DAY...Mostly clear. Lows 45-55. Highs 75-85. .SUNDAY...Mostly clear. Lows 50-60. Highs 80-90. $$ MTZ104-105-301000- Kootenai-Flathead/Glacier Park- 357 AM MDT Mon Jun 29 2026 .TODAY... * Sky/Weather.........Mostly cloudy. Rain in the morning, then rain showers and chance of thunderstorms in the afternoon. * Max Temperature.....55-60 valleys and 45-50 ridges. * Min Humidity........62-72 percent valleys and 81-91 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 10-15 mph. * Ridge Top............Northwest 10-15 mph. * Mixing Height.......2 kft agl until 1100, then 3 kft agl. * Transport Winds.....Northwest 15 mph. * Chance Lightning....30 percent over the Kootenai...and 40 percent toward the Flathead/Glacier Park. * CWR (> 0.10 Inch)...90 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers likely and slight chance of thunderstorms. Chance of rain after midnight. * Min Temperature.....40-50. * Max Humidity........96-100 percent valleys and 87-97 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph in the evening becoming downslope/downvalley 1-3 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....25 percent. * CWR (> 0.10 Inch)...60 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Chance of rain. * Max Temperature.....70-75 valleys and 55-60 ridges. * Min Humidity........49-59 percent valleys and 67-77 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......1-2 kft agl until 1100. 6 kft agl after 1300. * Transport Winds.....Southwest 15 mph. * Chance Lightning....20 percent. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 45-55. Highs 65-75. Min humidities 30-40 percent. Southwest winds 10-15 mph. .THURSDAY...Partly cloudy. Lows 45-55. Highs 65-75. Min humidities 25-35 percent. Southwest winds 10-15 mph. .FRIDAY...Partly cloudy. Lows 45-55. Highs 65-75. Southwest winds 10-15 mph. .INDEPENDENCE DAY...Partly cloudy. Lows 45-55. Highs 70-80. .SUNDAY...Mostly clear. Lows 45-55. Highs 75-85. $$ MTZ106-108-301000- West Lolo-East Lolo- 357 AM MDT Mon Jun 29 2026 .TODAY... * Sky/Weather.........Rain. * Max Temperature.....50-60 valleys and 40-50 ridges. * Min Humidity........73-83 percent valleys and 80-90 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 20-30 mph decreasing to 10-15 mph in the afternoon. * Mixing Height.......2 kft agl. * Transport Winds.....West 20 mph. * Chance Lightning....20 percent over the West Lolo...and near 0 percent toward the East Lolo. * CWR (> 0.10 Inch)...100 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain likely. * Min Temperature.....40-50. * Max Humidity........83-93 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Chance of rain. Slight chance of thunderstorms in the afternoon. * Max Temperature.....65-75 valleys and 55-65 ridges. * Min Humidity........52-62 percent valleys and 65-75 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1300. * Transport Winds.....West 10 mph. * Chance Lightning....30 percent over the West Lolo...and 25 percent toward the East Lolo. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 45-55. Highs 65-75. Min humidities 30-40 percent. West winds 5-10 mph. .THURSDAY...Partly cloudy. Lows 45-55. Highs 65-75. Min humidities 20-30 percent. West winds 10-15 mph. .FRIDAY...Partly cloudy. Lows 45-55. Highs 65-75. West winds 10-15 mph. .INDEPENDENCE DAY...Mostly clear. Lows 45-55. Highs 70-80. .SUNDAY...Mostly clear. Lows 50-60. Highs 80-90. $$ MTZ107-301000- Flathead Reservation- 357 AM MDT Mon Jun 29 2026 .TODAY... * Sky/Weather.........Rain in the morning, then rain showers and slight chance of thunderstorms in the afternoon. * Max Temperature.....55-60 valleys and 40-45 ridges. * Min Humidity........77-87 percent valleys and 94 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 15-25 mph decreasing to 10-15 mph in the afternoon. * Mixing Height.......2 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....25 percent over areas west of Highway 93...and 20 percent toward the Mission Mtns and areas east of Highway 93. * CWR (> 0.10 Inch)...100 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of rain. * Min Temperature.....50-55 valleys and 40-45 ridges. * Max Humidity........90-95 percent valleys and 100 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 15 mph until 0500, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Chance of rain. Chance of rain showers and slight chance of thunderstorms in the afternoon. * Max Temperature.....70-75 valleys and 50-55 ridges. * Min Humidity........57-67 percent valleys and 69-79 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph becoming west in the afternoon. * Mixing Height.......1-2 kft agl until 1100. 5 kft agl after 1300. * Transport Winds.....Southwest 10 mph. * Chance Lightning....20 percent. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 50-60. Highs 70-80. Min humidities 30-40 percent. Southwest winds 5-10 mph. .THURSDAY...Partly cloudy. Lows 45-55. Highs 70-80. Min humidities 20-30 percent. Southwest winds 5-10 mph. .FRIDAY...Partly cloudy. Lows 50-60. Highs 70-80. Southwest winds 10-15 mph. .INDEPENDENCE DAY...Mostly clear. Lows 50-60. Highs 75-85. .SUNDAY...Mostly clear. Lows 50-60. Highs 80-90. $$ MTZ109-301000- Bitterroot- 357 AM MDT Mon Jun 29 2026 .TODAY... * Sky/Weather.........Snow in the morning. Rain. * Max Temperature.....55-60 valleys and 40-45 ridges. * Min Humidity........66-76 percent valleys and 86-96 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 20-30 mph decreasing to 10-20 mph in the afternoon. * Mixing Height.......2 kft agl. * Transport Winds.....West 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...100 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of rain. * Min Temperature.....40-50. * Max Humidity........82-92 percent. * 20-Foot Winds....... * Lower Elevation......South 5-10 mph decreasing to variable less than 5 mph after midnight. * Ridge Top............West 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....West 15 mph until 0200, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Chance of thunderstorms in the afternoon. * Max Temperature.....70-75 valleys and 55-60 ridges. * Min Humidity........52-62 percent valleys and 70-80 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southwest up to 5 mph. * Mixing Height.......1-2 kft agl until 1000. 5 kft agl after 1300. * Transport Winds.....Southwest 10 mph. * Chance Lightning....40 percent over the Darby, Sula, and West Fork Districts...and 30 percent toward areas north of Hamilton. * CWR (> 0.10 Inch)...30 percent. .WEDNESDAY...Mostly cloudy with rain showers and chance of thunderstorms. Chance of precipitation 80 percent. Lows 45-55. Highs 60-70. Min humidities 25-35 percent. West winds 5-10 mph. .THURSDAY...Partly cloudy. Lows 40-50. Highs 65-75. Min humidities 20-30 percent. Southwest winds 10-15 mph. .FRIDAY...Partly cloudy with chance of rain showers and thunderstorms. Chance of precipitation 40 percent. Lows 45-55. Highs 65-75. West winds 10-15 mph. .INDEPENDENCE DAY...Mostly clear. Slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 45-55. Highs 70-80. .SUNDAY...Mostly clear. Lows 45-55. Highs 75-85. $$ MTZ110-111-301000- Deerlodge/West Beaverhead-East Beaverhead- 357 AM MDT Mon Jun 29 2026 .TODAY... * Sky/Weather.........Snow in the morning. Rain. * Max Temperature.....50-55 valleys and 40-45 ridges. * Min Humidity........66-76 percent valleys and 76-86 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......2 kft agl until 1200, then 3 kft agl. * Transport Winds.....West 20 mph. * Chance Lightning....Near 0 percent over the Deerlodge/West Beaverhead...and 20 percent toward the East Beaverhead. * CWR (> 0.10 Inch)...90 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of rain. * Min Temperature.....35-45. * Max Humidity........82-92 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......1-2 kft agl until 2100, then below 500 ft to 1 kft agl. * Transport Winds.....West 20 mph until 2100, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TUESDAY... * Sky/Weather.........Partly cloudy. Chance of thunderstorms in the afternoon. * Max Temperature.....65-70 valleys and 55-60 ridges. * Min Humidity........46-56 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......1-2 kft agl until 1000. 7 kft agl after 1500. * Transport Winds.....Southwest 10 mph. * Chance Lightning....40 percent. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Mostly cloudy with rain showers likely and chance of thunderstorms. Chance of precipitation 60 percent. Lows 40-50. Highs 65-75. Min humidities 25-35 percent. Southwest winds 10-15 mph. .THURSDAY...Partly cloudy with chance of rain showers. Chance of showers 40 percent. Lows 40-50. Highs 65-75. Min humidities 15-25 percent. Southwest winds 10-20 mph. .FRIDAY...Partly cloudy with chance of rain showers and thunderstorms. Chance of precipitation 30 percent. Lows 45-55. Highs 65-75. Southwest winds 10-20 mph. .INDEPENDENCE DAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 40-50. Highs 70-80. .SUNDAY...Mostly clear. Lows 45-55. Highs 75-85. $$