Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Central Black Hills; Southern Black Hills; Fall River County Area; Northern Foot Hills; Eastern Foot Hills; Custer County Plains; Pine Ridge Area; Butte County Area; West Central Plains; Badlands Area; Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains; Wyoming Black Hills |
| Effective: | 2026-10-08 @ 12:03 pm -> 2026-10-09 @ 12:15 am |
| Onset: | 2026-10-09 @ 12:00 pm -> 2026-10-09 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-10-08 @ 12:03 pm |
| Headline: | Red Flag Warning issued October 8 at 11:03AM MDT until October 9 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR CENTRAL BLACK HILLS, SOUTHERN BLACK HILLS, FALL RIVER COUNTY AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BUTTE COUNTY AREA, WEST CENTRAL PLAINS, BADLANDS AREA, NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, WESTON COUNTY PLAINS, AND WYOMING BLACK HILLS... The National Weather Service in Rapid City SD has issued a Red Flag Warning in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire Weather Zones 314, 315, 316, 317, 318, 320, 321, 322, 323, 324, 325, 326, 327, 329, and 332. * TIMING...From 11 AM to 8 PM MDT Friday. * WINDS...Southwest winds 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | Sweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Johnson County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains |
| Effective: | 2026-10-08 @ 11:44 am -> 2026-10-09 @ 7:00 am |
| Onset: | 2026-10-09 @ 1:00 pm -> 2026-10-09 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-10-08 @ 11:44 am |
| Headline: | Red Flag Warning issued October 8 at 10:44AM MDT until October 9 at 7:00PM MDT by NWS Riverton WY |
| Description: |
The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon to 7 PM MDT Friday. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...289. In North Central WY Fire Zone....281. In Southwest WY Fire Zone....279. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Johnson. In Southwest WY...Sweetwater. * WIND: Southwest 15 to 25 mph with gusts around 40 mph. * HUMIDITY: As low as 12 percent. * TEMPERATURES: Highs in the mid 70s. |
| Alert: | Fire Weather Watch |
| Area(s): | Pine Ridge/Nebraska National Forest; 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; Upper North Platte River Basin; North Snowy Range Foothills; Bordeaux/Chugwater/Wheatland |
| Effective: | 2026-10-08 @ 1:34 am -> 2026-10-08 @ 5:00 pm |
| Onset: | 2026-10-09 @ 1:00 pm -> 2026-10-09 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-10-08 @ 1:34 am |
| Headline: | Fire Weather Watch issued October 8 at 12:34AM MDT until October 9 at 7:00PM MDT by NWS Cheyenne WY |
| Description: |
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF NEBRASKA AND WYOMING... * AFFECTED AREA...Fire Weather Zones 417 through 422, 425, 427, 432, and 434. * TIMING...From Friday afternoon through Friday evening. * WINDS...Southwest winds 15 to 25 mph with gusts around 35 mph. * RELATIVE HUMIDITY...Relative Humidity between 13 to 20 percent. * IMPACTS...Any fires that develop may spread rapidly. Outdoor burning is not recommended. |
| Alert: | Fire Weather Watch |
| Area(s): | Beartooth Ranger District Custer National Forest; Sheridan County/Casper BLM; Bighorn National Forest |
| Effective: | 2026-10-07 @ 5:51 pm -> 2026-10-08 @ 6:00 pm |
| Onset: | 2026-10-09 @ 1:00 pm -> 2026-10-09 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2026-10-07 @ 5:51 pm |
| Headline: | Fire Weather Watch issued October 7 at 4:51PM MDT until October 9 at 9:00PM MDT by NWS Billings MT |
| Description: |
The National Weather Service in Billings has issued a Fire Weather Watch...which is in effect from Friday afternoon through Friday evening. * IMPACTS: Low humidities, unseasonably warm temperatures, and strong gusty winds will create erratic fire behavior for new or existing fires. * AFFECTED AREA: In North Central WY Fire Zones...274...284. In South Central MT Fire Zone...126. * COUNTIES AFFECTED: In North Central WY...Big Horn...Johnson...Sheridan...Washakie. In South Central MT...Carbon...Park...Stillwater...Sweet Grass. * WIND: Southwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Up to 88 degrees. * ADDITIONAL DETAILS: The worst conditions are expected across the lower to middle elevations in fine fuels. |
