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; Crook County Plains; Weston County Plains
Effective: 2026-04-11 @ 4:56 am -> 2026-04-11 @ 9:00 pm
Onset: 2026-04-11 @ 1:00 pm -> 2026-04-11 @ 9:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2026-04-11 @ 4:56 am
Headline: Red Flag Warning issued April 11 at 3:56AM MDT until April 11 at 8:00PM MDT by NWS Rapid City SD
Description: ...CRITICAL FIRE WEATHER CONDITIONS TODAY ACROSS PORTIONS OF
NORTHEASTERN WYOMING AND SOUTHWESTERN SOUTH DAKOTA...

.Warm, dry, and breezy weather will support critical fire weather
conditions over northeastern Wyoming and southwestern South
Dakota today. In addition, there is a slight chance of a couple
dry thunderstorms in the late afternoon and evening hours. While
confidence in timing and occurrence is low, erratic wind gusts in
excess of 45 MPH would be possible if a dry thunderstorm occurs.

* AFFECTED AREA...Fire Weather Zones 314 Northern Campbell, 315
Southern Campbell, 316 Crook County Plains, 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...Southwest 10 to 20 MPH with gusts up to 30 MPH.

* RELATIVE HUMIDITY...As low as 13 percent.

* IMPACTS...The combination of gusty winds and low relative
humidity will produce critical fire weather conditions.

Alert: Fire Weather Watch
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: 2026-04-10 @ 11:48 pm -> 2026-04-13 @ 9:00 pm
Onset: 2026-04-12 @ 1:00 pm -> 2026-04-11 @ 4:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-04-10 @ 11:48 pm
Headline: Fire Weather Watch issued April 10 at 10:48PM MDT until April 13 at 8:00PM MDT by NWS Cheyenne WY
Description: . FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY EVENING.

* AFFECTED AREA...Fire weather zone 434.Fire weather zone
435.Fire weather zone 436.Fire weather zone 437.Fire weather
zone 417.Fire weather zone 418.Fire weather zone 419.Fire
weather zone 430.Fire weather zone 431.Fire weather zone
432.Fire weather zone 433.

* WIND...West to southwest 15 to 30 mph. Gusts 20 to 35 mph.

* HUMIDITY...10 to 15 percent.

* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.