|
Home Return to list Fire Weather Warning 0035 Issued by the Cheyenne Forecast Office
Action: New 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: New 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 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: Continued 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: Continued Issued At: 2026-08-07 01:00:50 212 WWUS85 KCYS 070600 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 1200 AM MDT Fri Aug 7 2026 WYZ420>422-425>427-080200- /O.CON.KCYS.FW.W.0035.260807T1700Z-260808T0200Z/ North Laramie Valley/Shirley Basin- Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 1200 AM MDT Fri Aug 7 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY 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. * 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. && $$ Action: Continued Issued At: 2026-08-07 13:02:51 137 WWUS85 KCYS 071802 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 1202 PM MDT Fri Aug 7 2026 WYZ420>422-425>427-080200- /O.CON.KCYS.FW.W.0035.000000T0000Z-260808T0200Z/ North Laramie Valley/Shirley Basin- Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 1202 PM MDT Fri Aug 7 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 420 THROUGH 422 AND 425 THROUGH 427... * AFFECTED AREA...Fire weather zone 420. * WIND...West winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ Action: Continued Issued At: 2026-08-07 15:38:02 819 WWUS85 KCYS 072037 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 237 PM MDT Fri Aug 7 2026 WYZ420>422-425>427-081200- /O.NEW.KCYS.FW.W.0036.260808T1700Z-260810T0300Z/ /O.CON.KCYS.FW.W.0035.000000T0000Z-260808T0200Z/ North Laramie Valley/Shirley Basin- Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 237 PM MDT Fri Aug 7 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 420, 421, 422, 425, 426, AND 427... ...RED FLAG WARNING IN EFFECT FROM 11 AM SATURDAY TO 9 PM MDT SUNDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 420, 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 Saturday to 9 PM MDT Sunday. * AFFECTED AREA...Fire weather zones 420 through 422 and fire weather zones 425 through 427. * WIND...During the daytime hours, west winds from 15 to 25 mph with gusts up to 40 mph. Overnight, lighter southwest winds of 5 to 15 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent on Friday and on Saturday, and between 10 and 15 percent on Sunday. Overnight recoveries of 20 to 35 percent. * ADDITIONAL DETAILS...Isolated dry lightning and gusty and erratic winds associated with high based thunderstorms will be possible Saturday and Sunday afternoon and evening. * 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>419-423-424-428>433-081200- /O.NEW.KCYS.FW.W.0036.260808T1700Z-260810T0300Z/ 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- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 237 PM MDT Fri Aug 7 2026 ...RED FLAG WARNING IN EFFECT FROM 11 AM SATURDAY TO 9 PM MDT SUNDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 417, 418, 419, 423, 424, 428, 429, 430, 431, 432, AND 433... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM Saturday to 9 PM MDT Sunday. * AFFECTED AREA...Fire weather zone 417.Fire weather zone 418.Fire weather zone 419.Fire weather zone 423.Fire weather zone 424.Fire weather zone 428.Fire weather zone 429.Fire weather zone 430.Fire weather zone 431.Fire weather zone 432.Fire weather zone 433. * WIND...During the daytime hours, west to northwest winds from 15 to 25 mph with gusts up to 40 mph. Overnight, lighter variable winds of 5 to 10 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent on Friday and on Saturday, and between 8 and 12 percent on Sunday. Overnight recoveries of 20 to 40 percent along and west of Interstate 25 and 40 to 60 percent in Niobrara, Goshen, and Eastern Laramie Counties. * ADDITIONAL DETAILS...Isolated dry lightning and gusty and erratic winds associated with high based thunderstorms will be possible Saturday and Sunday afternoon and evening. * 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: Expired Issued At: 2026-08-07 20:59:38 889 WWUS85 KCYS 080159 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 759 PM MDT Fri Aug 7 2026 WYZ420>422-425>427-081200- /O.EXP.KCYS.FW.W.0035.000000T0000Z-260808T0200Z/ /O.CON.KCYS.FW.W.0036.260808T1700Z-260810T0300Z/ North Laramie Valley/Shirley Basin- Ferris/Seminoe/Shirley Mountains-Central and West Carbon- Upper North Platte River Basin-Snowy Range/Medicine Bow NF- North Snowy Range Foothills- 759 PM MDT Fri Aug 7 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO 9 PM MDT SUNDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 420, 421, 422, 425, 426, AND 427... * AFFECTED AREA...Fire weather zones 420 through 422 and fire weather zones 425 through 427. * WIND...During the daytime hours, west winds from 15 to 25 mph with gusts up to 40 mph. Overnight, lighter southwest winds of 5 to 15 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent on Saturday, and between 10 and 15 percent on Sunday. Overnight recoveries of 20 to 35 percent. * ADDITIONAL DETAILS...Isolated high-based showers will have the potential to produce gusty and erratic winds along with a few strikes of lightning without much, if any, rainfall during the afternoon and evening hours both Saturday and Sunday. * 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. && $$ WYZ417>419-423-424-428>433-081200- /O.CON.KCYS.FW.W.0036.260808T1700Z-260810T0300Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- North Laramie Range and Adjacent High Plains- Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Southern Laramie Valley-Southern Laramie Range- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 759 PM MDT Fri Aug 7 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO 9 PM MDT SUNDAY FOR GUSTY WINDS, LOW HUMIDITY, AND POOR RECOVERIES FOR FIRE WEATHER ZONES 417, 418, 419, 423, 424, 428, 429, 430, 431, 432, AND 433... * AFFECTED AREA...Fire weather zones 417, 418, 419, 423, 424, 428, 429, 430, 431, 432, and 433. * WIND...During the daytime hours, west to northwest winds from 15 to 25 mph with gusts up to 40 mph. Overnight, lighter variable winds of 5 to 10 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent on Friday and on Saturday, and between 8 and 12 percent on Sunday. Overnight recoveries of 20 to 40 percent along and west of Interstate 25 and 40 to 60 percent in Niobrara, Goshen, and Eastern Laramie Counties. * ADDITIONAL DETAILS...Isolated high-based showers will have the potential to produce gusty and erratic winds along with a few strikes of lightning without much, if any, rainfall during the afternoon and evening hours both Saturday and Sunday. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||