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: 2026-04-12 @ 4:22 am -> 2026-04-12 @ 10:00 pm
Onset: 2026-04-12 @ 4:22 am -> 2026-04-12 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2026-04-12 @ 4:22 am
Headline: Red Flag Warning issued April 12 at 3:22AM MDT until April 12 at 9:00PM MDT by NWS Rapid City SD
Description: ...CRITICAL FIRE WEATHER CONDITIONS THROUGH MONDAY ACROSS
PORTIONS OF NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA...

.Warm, dry, and breezy weather will support critical fire weather
conditions over northeastern Wyoming and southern South Dakota
through this evening. These conditions will likely extend into
Monday across much of the same area.

* 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 10 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: 2026-04-12 @ 2:23 am -> 2026-04-13 @ 9:00 pm
Onset: 2026-04-12 @ 1:00 pm -> 2026-04-12 @ 7:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-04-12 @ 2:23 am
Headline: Red Flag Warning issued April 12 at 1:23AM MDT until April 13 at 8:00PM MDT by NWS Cheyenne WY
Description: * 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.