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Home Return to list Fire Weather Warning 0034 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-08-05 14:20:53 032 WWUS85 KCYS 051920 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 120 PM MDT Wed Aug 5 2026 WYZ426-427-061200- /O.NEW.KCYS.FW.W.0034.260805T1920Z-260807T0200Z/ Snowy Range/Medicine Bow NF-North Snowy Range Foothills- 120 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 426 AND 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect until 8 PM MDT Thursday. * AFFECTED AREA...Fire weather zones 426 and 427. * WIND...West winds 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 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. && $$ WYZ417>425-428>430-061200- /O.NEW.KCYS.FW.W.0034.260806T1700Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin- Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Upper North Platte River Basin-Southern Laramie Valley- Southern Laramie Range-Laramie Foothills and High Plains- 120 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 428, 429, AND 430... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Thursday. * AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ Action: New Issued At: 2026-08-05 14:20:53 032 WWUS85 KCYS 051920 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 120 PM MDT Wed Aug 5 2026 WYZ426-427-061200- /O.NEW.KCYS.FW.W.0034.260805T1920Z-260807T0200Z/ Snowy Range/Medicine Bow NF-North Snowy Range Foothills- 120 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 426 AND 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect until 8 PM MDT Thursday. * AFFECTED AREA...Fire weather zones 426 and 427. * WIND...West winds 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 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. && $$ WYZ417>425-428>430-061200- /O.NEW.KCYS.FW.W.0034.260806T1700Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin- Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Upper North Platte River Basin-Southern Laramie Valley- Southern Laramie Range-Laramie Foothills and High Plains- 120 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 428, 429, AND 430... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Thursday. * AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ Action: Continued Issued At: 2026-08-05 17:19:28 788 WWUS85 KCYS 052219 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 419 PM MDT Wed Aug 5 2026 WYZ421>425-061200- /O.EXT.KCYS.FW.W.0034.260805T2219Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Upper North Platte River Basin- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 423, 424, AND 425... * AFFECTED AREA...Fire weather zones 421 through 425. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect lighter southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 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. && $$ WYZ426-427-061200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Snowy Range/Medicine Bow NF-North Snowy Range Foothills- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 426 AND 427... * AFFECTED AREA...Fire weather zones 426 and 427. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>420-428>430-061200- /O.CON.KCYS.FW.W.0034.260806T1700Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin-Southern Laramie Valley- Southern Laramie Range-Laramie Foothills and High Plains- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 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. && $$ Action: Time Extended Issued At: 2026-08-05 17:19:28 788 WWUS85 KCYS 052219 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 419 PM MDT Wed Aug 5 2026 WYZ421>425-061200- /O.EXT.KCYS.FW.W.0034.260805T2219Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Upper North Platte River Basin- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 423, 424, AND 425... * AFFECTED AREA...Fire weather zones 421 through 425. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect lighter southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ426-427-061200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Snowy Range/Medicine Bow NF-North Snowy Range Foothills- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 426 AND 427... * AFFECTED AREA...Fire weather zones 426 and 427. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 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. && $$ WYZ417>420-428>430-061200- /O.CON.KCYS.FW.W.0034.260806T1700Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin-Southern Laramie Valley- Southern Laramie Range-Laramie Foothills and High Plains- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ Action: Continued Issued At: 2026-08-05 17:19:28 788 WWUS85 KCYS 052219 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 419 PM MDT Wed Aug 5 2026 WYZ421>425-061200- /O.EXT.KCYS.FW.W.0034.260805T2219Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Upper North Platte River Basin- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 423, 424, AND 425... * AFFECTED AREA...Fire weather zones 421 through 425. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect lighter southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 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. && $$ WYZ426-427-061200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Snowy Range/Medicine Bow NF-North Snowy Range Foothills- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 426 AND 427... * AFFECTED AREA...Fire weather zones 426 and 427. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>420-428>430-061200- /O.CON.KCYS.FW.W.0034.260806T1700Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin-Southern Laramie Valley- Southern Laramie Range-Laramie Foothills and High Plains- 419 PM MDT Wed Aug 5 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 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. && $$ Action: Continued Issued At: 2026-08-06 01:21:46 696 WWUS85 KCYS 060621 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 1221 AM MDT Thu Aug 6 2026 WYZ421>427-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 1221 AM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 421, 422, 423, 424, AND 425... * AFFECTED AREA...Fire weather zones 421 through 425. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>420-428>430-070200- /O.CON.KCYS.FW.W.0034.260806T1700Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin-Southern Laramie Valley- Southern Laramie Range-Laramie Foothills and High Plains- 1221 AM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 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. && $$ Action: Continued Issued At: 2026-08-06 01:21:46 696 WWUS85 KCYS 060621 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 1221 AM MDT Thu Aug 6 2026 WYZ421>427-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 1221 AM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 421, 422, 423, 424, AND 425... * AFFECTED AREA...Fire weather zones 421 through 425. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>420-428>430-070200- /O.CON.KCYS.FW.W.0034.260806T1700Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- North Laramie Valley/Shirley Basin-Southern Laramie Valley- Southern Laramie Range-Laramie Foothills and High Plains- 1221 AM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 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. && $$ Action: Continued Issued At: 2026-08-06 15:58:32 031 WWUS85 KCYS 062058 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 258 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ North Laramie Valley/Shirley Basin- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 423 AND 424... * AFFECTED AREA...Fire weather zones 423 and 424. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>419-428>430-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 419 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 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. && $$ Rubin Action: Continued Issued At: 2026-08-06 15:58:32 031 WWUS85 KCYS 062058 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 258 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ North Laramie Valley/Shirley Basin- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 423 AND 424... * AFFECTED AREA...Fire weather zones 423 and 424. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>419-428>430-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 419 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 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. && $$ Rubin Action: Continued Issued At: 2026-08-06 15:58:32 031 WWUS85 KCYS 062058 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 258 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ North Laramie Valley/Shirley Basin- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 423 AND 424... * AFFECTED AREA...Fire weather zones 423 and 424. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>419-428>430-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 419 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 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. && $$ Rubin Action: Continued Issued At: 2026-08-06 15:58:32 031 WWUS85 KCYS 062058 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 258 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ North Laramie Valley/Shirley Basin- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.NEW.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 420, 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening and again Friday afternoon and early evening. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 423 AND 424... * AFFECTED AREA...Fire weather zones 423 and 424. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ417>419-428>430-070200- /O.CON.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 258 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... * AFFECTED AREA...Fire weather zone 417 through 419 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph through early this evening. * HUMIDITY...Between 5 and 10 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. && $$ Rubin Action: Expired Issued At: 2026-08-06 20:39:45 892 WWUS85 KCYS 070139 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 739 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ North Laramie Valley/Shirley Basin- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zone 420. * WIND...West winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 30 to 35 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 423 AND 424... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ WYZ417>419-428>430-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ Action: Expired Issued At: 2026-08-06 20:39:45 892 WWUS85 KCYS 070139 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 739 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ North Laramie Valley/Shirley Basin- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zone 420. * WIND...West winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 30 to 35 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 423 AND 424... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ WYZ417>419-428>430-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ Action: Expired Issued At: 2026-08-06 20:39:45 892 WWUS85 KCYS 070139 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 739 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ North Laramie Valley/Shirley Basin- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zone 420. * WIND...West winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 30 to 35 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 423 AND 424... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ WYZ417>419-428>430-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ Action: Expired Issued At: 2026-08-06 20:39:45 892 WWUS85 KCYS 070139 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 739 PM MDT Thu Aug 6 2026 WYZ420-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ North Laramie Valley/Shirley Basin- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONE 420... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zone 420. * WIND...West winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 30 to 35 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WYZ421-422-425>427-071200- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 421, 422, 425, 426, AND 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zones 421, 422, 425, 426, and 427... * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. Recoveries tonight from 15 to 30 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. && $$ WYZ423-424-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 423 AND 424... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ WYZ417>419-428>430-070245- /O.EXP.KCYS.FW.W.0034.000000T0000Z-260807T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains- 739 PM MDT Thu Aug 6 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 417, 418, 419, 428, 429, AND 430... Humidity values have started to improve this evening, with winds slowly decreasing. Therefore, the Red Flag Warning will expire on time at 8 PM. $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||