Cheyenne, Wyoming
Regional Weather Alerts
| 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; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-06-17 @ 3:44 pm -> 2026-06-17 @ 11:00 pm |
| Onset: | 2026-06-17 @ 3:44 pm -> 2026-06-17 @ 11:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-17 @ 3:44 pm |
| Headline: | Red Flag Warning issued June 17 at 2:44PM MDT until June 17 at 10:00PM MDT by NWS Cheyenne WY |
| Description: |
* AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, 433, 434, 435, 436, and 437. * WIND...North to northwest winds gusting 35 to 50 mph. * HUMIDITY...10 to 20 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | Southern Black Hills; Fall River County Area; Custer County Plains; Pine Ridge Area; Badlands Area; Bennett County Area; Southern Campbell; Weston County Plains |
| Effective: | 2026-06-17 @ 12:26 pm -> 2026-06-17 @ 9:00 pm |
| Onset: | 2026-06-17 @ 12:26 pm -> 2026-06-17 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-06-17 @ 12:26 pm |
| Headline: | Red Flag Warning issued June 17 at 11:26AM MDT until June 17 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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, SOUTHERN CAMPBELL, AND WESTON COUNTY PLAINS... .A cold front moved through early this morning. Behind the cold front, strong northwest winds from 25 to 35 mph with gusts up to 55 mph have been reported. Minimum relative humidity values will dip as low as 18 percent, which is higher than normal thresholds. However, the strong winds will make up the difference as well as antecedent D2 to D3 drought and very dry weather over the past 1-2 weeks. Thus, critical fire weather conditions are expected for parts of northeastern Wyoming and southwestern South Dakota late this morning through the early evening hours. * AFFECTED AREA...Fire Weather Zones 315, 317, 321, 322, 325, 326, 332, and 333. * TIMING...Until 8 PM MDT this evening. * WINDS...Northwest winds 25 to 35 mph with gusts from 40 to 55 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 18 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |