Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | South Laramie Range Foothills; Central Laramie County |
| Effective: | 2026-09-07 @ 7:46 pm -> 2026-09-07 @ 8:15 pm |
| Onset: | 2026-09-07 @ 7:46 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-09-07 @ 7:46 pm |
| Headline: | Special Weather Statement issued September 7 at 6:46PM MDT by NWS Cheyenne WY |
| Description: |
At 646 PM MDT, Doppler radar was tracking a strong thunderstorm near Whitaker, or 15 miles northwest of Cheyenne, moving northeast at 40 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Whitaker. |
| Alert: | Red Flag Warning |
| Area(s): | North Bighorn Basin/Worland BLM; South Bighorn Basin/Worland BLM |
| Effective: | 2026-09-07 @ 3:47 pm -> 2026-09-07 @ 8:00 pm |
| Onset: | 2026-09-07 @ 3:47 pm -> 2026-09-07 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-09-07 @ 3:47 pm |
| Headline: | Red Flag Warning issued September 7 at 2:47PM MDT until September 7 at 7:00PM MDT by NWS Riverton WY |
| Description: |
* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift with a Cold Front could cause erratic fire behavior. * AFFECTED AREA: In North Central WY...Fire Weather Zones 275 and 282. * COUNTIES AFFECTED: In North Central WY...Big Horn...Hot Springs...Park...Washakie. * COLD FRONT: A cold front will push into northern portions of the Bighorn Basin around 1500, reaching Greybull and Basin by 1700. This will bring a wind shift from southwesterly to northwesterly. The front will pass through the rest of the Bighorn Basin by 2100. * WIND: West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 12 percent. |
| Alert: | Red Flag Warning |
| Area(s): | Fall River County Area; Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains |
| Effective: | 2026-09-07 @ 10:33 am -> 2026-09-07 @ 8:00 pm |
| Onset: | 2026-09-07 @ 12:00 pm -> 2026-09-07 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-09-07 @ 10:33 am |
| Headline: | Red Flag Warning issued September 7 at 9:33AM MDT until September 7 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 FALL RIVER COUNTY AREA, NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS... * AFFECTED AREA...Fire Weather Zones 314, 315, 316, 317, and 322. * TIMING...Until 7 PM MDT this evening. * WINDS...West to southwest winds 15 to 25 MPH with gusts up to 35 MPH. * RELATIVE HUMIDITY...Relative Humidity as low as 14 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
