| Event | Red Flag Warning |
| Severity | Severe |
| Urgency | Expected |
| Certainty | Likely |
| Area | Butte County Area; Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains; Wyoming Black Hills |
| Effective | 9/3/2026, 10:19:00 PM CDT |
| Expires | 9/4/2026, 10:30:00 AM CDT |
Red Flag Warning issued September 3 at 9:19PM MDT until September 4 at 8:00PM MDT by NWS Rapid City SD
Details
…RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY DUE TO
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR BUTTE COUNTY AREA, NORTHERN
CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, WESTON COUNTY
PLAINS, AND WYOMING BLACK HILLS…
The National Weather Service in Rapid City SD has issued a Red Flag
Warning.
* AFFECTED AREA…Fire Weather Zones 314, 315, 316, 317, 318, and
327.
* TIMING…From 11 AM to 8 PM MDT Friday.
* WINDS…South winds 10 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY…Relative Humidity as low as 8 percent.
* IMPACTS…Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
Instructions
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong winds,
low relative humidity, and warm temperatures can contribute to
extreme fire behavior.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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