Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Southern Black Hills; Fall River County Area; Custer County Plains; Pine Ridge Area; Badlands Area; Bennett County Area; Weston County Plains |
| Effective: | 2026-09-11 @ 12:37 pm -> 2026-09-11 @ 8:00 pm |
| Onset: | 2026-09-11 @ 12:37 pm -> 2026-09-11 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-09-11 @ 12:37 pm |
| Headline: | Red Flag Warning issued September 11 at 11:37AM MDT until September 11 at 7:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHERN BLACK HILLS, FALL RIVER COUNTY AREA, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BADLANDS AREA, BENNETT COUNTY AREA, AND WESTON COUNTY PLAINS... * AFFECTED AREA...Fire Weather Zones 317, 321, 322, 325, 326, 332, and 333. * TIMING...Until 7 PM MDT this evening. * WINDS...Gradually shifting from west to north at 15 to 25 MPH with gusts up to 35 MPH. * RELATIVE HUMIDITY...As low as 12 to 18 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | Southern Laramie Range; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland |
| Effective: | 2026-09-11 @ 1:13 am -> 2026-09-11 @ 8:00 pm |
| Onset: | 2026-09-11 @ 12:00 pm -> 2026-09-11 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-09-11 @ 1:13 am |
| Headline: | Red Flag Warning issued September 11 at 12:13AM MDT until September 11 at 7:00PM MDT by NWS Cheyenne WY |
| Description: |
The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM this morning to 7 PM MDT this evening. * AFFECTED AREA...Fire weather zones 429 through 432. * WIND...West to northwest winds with gusts of 25 to 40 MPH. * HUMIDITY...13 to 16 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| 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; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-09-11 @ 1:13 am -> 2026-09-11 @ 8:00 pm |
| Onset: | 2026-09-11 @ 12:00 pm -> 2026-09-11 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-09-11 @ 1:13 am |
| Headline: | Red Flag Warning issued September 11 at 12:13AM MDT until September 11 at 7:00PM MDT by NWS Cheyenne WY |
| Description: |
* AFFECTED AREA...Fire weather zones 433 through 437. * WIND...West to northwest winds with gusts of 25 to 35 MPH. * HUMIDITY...12 to 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
