823 WWUS85 KCYS 291918 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 118 PM MDT Mon Jun 29 2026 NEZ434-301200- /O.UPG.KCYS.FW.A.0018.000000T0000Z-260630T0300Z/ /O.NEW.KCYS.FW.A.0019.260630T1700Z-260701T0100Z/ /O.EXA.KCYS.FW.W.0029.000000T0000Z-260630T0300Z/ Pine Ridge/Nebraska National Forest- 118 PM MDT Mon Jun 29 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 434... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 434... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect until 9 PM MDT this evening. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Tuesday morning through Tuesday evening. * WIND...On Monday, southwest becoming west winds 20 to 30 mph with gusts up to 50 mph. On Tuesday, west becoming southwest winds 10 to 20 mph with gusts up to 35 mph. * HUMIDITY...On Monday, between 14 and 20 percent. Monday night, recovering to between 35 and 45 percent. On Tuesday, between 13 and 16 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ NEZ435-300300- /O.UPG.KCYS.FW.A.0018.000000T0000Z-260630T0300Z/ /O.EXA.KCYS.FW.W.0029.000000T0000Z-260630T0300Z/ Box Butte/South Sioux/Niobrara River- 118 PM MDT Mon Jun 29 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 435... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect until 9 PM MDT this evening. This replaces the Fire Weather Watch. * WIND...Southwest to west winds 20 to 30 mph with gusts up to 50 mph. * HUMIDITY...Between 14 and 20 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417-418-301200- /O.NEW.KCYS.FW.A.0019.260630T1700Z-260701T0100Z/ /O.CON.KCYS.FW.W.0029.000000T0000Z-260630T0300Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- 118 PM MDT Mon Jun 29 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417 AND 418... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417 AND 418... The National Weather Service in Cheyenne has issued a Fire Weather Watch, which is in effect from Tuesday morning through Tuesday evening. * AFFECTED AREA...Fire weather zones 417 and 418. * WIND...On Monday, southwest becoming west winds 25 to 35 mph with gusts up to 55 mph. Localized gusts up to 65 mph are possible. On Tuesday, west becoming southwest winds 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...On Monday, between 14 and 20 percent. Monday night, recovering to between 40 and 55 percent. On Tuesday, between 12 and 16 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ NEZ436-437-WYZ419-430>433-300300- /O.CON.KCYS.FW.W.0029.000000T0000Z-260630T0300Z/ Lower North Platte River Basin/Scottsbluff National Monument- Lodgepole Creek/Southern Nebraska Panhandle- North Laramie Range and Adjacent High Plains- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 118 PM MDT Mon Jun 29 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 419, 430, 431, 432, 433, 436, AND 437... * AFFECTED AREA...Fire weather zones 419, 430, 431, 432, 433, 436, and 437. * WIND...Southwest winds 20 to 30 mph with gusts up to 50 mph. Localized gusts over 60 mph are expected in Platte County. Winds will become more westerly in the late afternoon and evening hours as they gradually weaken. * HUMIDITY...Between 10 and 20 percent. The lowest humidity is expected south of the North Platte River. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$