


Red Flag Warning
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
128 WWUS85 KCYS 130713 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 113 AM MDT Wed Aug 13 2025 WYZ424-425-428-429-132130- /O.EXA.KCYS.FW.W.0018.250813T1800Z-250814T0200Z/ Sierra Madre Range/Medicine Bow NF-Upper North Platte River Basin- Southern Laramie Valley-Southern Laramie Range- 113 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon today to 8 PM MDT this evening. * AFFECTED AREA...Fire weather zone 424, 425, 428, and Fire weather zone 429. * WIND...Northwest winds sustained 10 to 20 mph with gusts between 25 to 30 mph expected. * HUMIDITY...10 to 15 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. && $$ WYZ418>422-427-132130- /O.CON.KCYS.FW.W.0018.250813T1800Z-250814T0200Z/ Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin- Ferris/Seminoe/Shirley Mountains-Central and West Carbon- North Snowy Range Foothills- 113 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... * AFFECTED AREA...Fire weather zones 418 to 422. Fire weather zone 427. * WIND...West to northwest winds sustained 15 to 20 mph with gusts around 30 mph expected. * HUMIDITY...10 to 15 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$