Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Central Black Hills; Southern Black Hills; Fall River County Area; Eastern Foot Hills; Custer County Plains; Pine Ridge Area; West Central Plains; Badlands Area; Northern Campbell; Southern Campbell; Weston County Plains |
| Effective: | 2026-04-11 @ 8:54 pm -> 2026-04-12 @ 10:00 pm |
| Onset: | 2026-04-11 @ 8:54 pm -> 2026-04-12 @ 12:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-04-11 @ 8:54 pm |
| Headline: | Red Flag Warning issued April 11 at 7:54PM MDT until April 12 at 9:00PM MDT by NWS Rapid City SD |
| Description: |
...CRITICAL FIRE WEATHER CONDITIONS THROUGH SUNDAY ACROSS PORTIONS OF NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA... .Warm, dry, and breezy weather will support critical fire weather conditions over northeastern Wyoming and southwestern South Dakota through Sunday afternoon. Showers this evening will continue to produce gusts to 50 mph. Fair to poor recovery of relative humidity is expected tonight and Sunday morning, with a max of 45 to 60 percent. * AFFECTED AREA...Fire Weather Zones 314 Northern Campbell, 315 Southern Campbell, 317 Weston County Plains, 320 Central Black Hills, 321 Southern Black Hills, 322 Fall River County Area, 324 Eastern Foot Hills, 325 Custer County Plains, 326 Pine Ridge Area, 329 West Central Plains and 332 Badlands Area. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...The combination of gusty winds and low relative humidity will produce critical fire weather conditions. |
| Alert: | Red Flag Warning |
| Area(s): | Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; 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; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-04-11 @ 12:01 pm -> 2026-04-13 @ 9:00 pm |
| Onset: | 2026-04-12 @ 1:00 pm -> 2026-04-12 @ 7:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-11 @ 12:01 pm |
| Headline: | Red Flag Warning issued April 11 at 11:01AM MDT until April 13 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon Sunday to 8 PM MDT Monday. The Fire Weather Watch has been upgraded. * WIND...West to southwest 15 to 20 mph. Gusts 25 to 35 mph. * HUMIDITY...8 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor humidity recoveries are expected Sunday night. |