Red Flag Warning Issued for Fall River, Southern Campbell, and Weston Counties
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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A Red Flag Warning is in effect today from noon to 6 PM MDT for parts of South Dakota and Wyoming as gusty winds and low humidity create critical fire weather conditions.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- South Dakota and Wyoming
- Issued
- April 6, 2026
- Issuing authority
- NWS Rapid City
Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in South Dakota and Wyoming.
Red Flag Warning Issued for Parts of South Dakota and Wyoming
Alert Details
The National Weather Service in Rapid City, SD, has issued a Red Flag Warning for critical fire weather conditions. This alert is triggered by the combination of strong winds, low relative humidity, and cured fuels ahead of an approaching cold front.
Affected Areas
The warning covers the following geographic regions and Fire Weather Zones:
- South Dakota: Fall River County Area (Zone 322)
- Wyoming: Southern Campbell (Zone 315) and Weston County Plains (Zone 317)
What You Should Do
Residents in the affected zones should prepare for critical fire weather conditions. A Red Flag Warning indicates that extreme fire behavior is possible. Residents are urged to exercise extreme caution, as the combination of strong winds, low humidity, and warm temperatures can contribute to rapid fire spread and unpredictable behavior.
Expected Conditions
Weather conditions are expected to reach critical thresholds this afternoon:
- Winds: West winds ranging from 20 to 30 mph, with gusts reaching up to 45 mph.
- Humidity: Minimum afternoon relative humidity levels are expected to drop as low as 14 percent.
- Hazardous Factors: These weather elements, combined with cured fuels, will result in critical fire weather conditions ahead of a cold front.
Timeline
The Red Flag Warning is effective starting at 12:00 PM MDT today, March 9, 2026. The alert is scheduled to remain in effect until 6:00 PM MDT this evening.
Original source: NOAA Official Notice ↗
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