Red Flag Warning Issued for Southeast MT and Northwest SD
If you are in immediate danger, call emergency services now.
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NWS Billings has issued a Red Flag Warning for critical fire weather conditions until 9 PM MDT on August 3.
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- Record type
- Red Flag Warning
- Affected area
- Southeast Montana and Northwest South Dakota
- Issued
- August 3, 2026
- Issuing authority
- NWS Billings MT
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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Red Flag Warning has been issued by the National Weather Service in Billings MT. The alert is effective from August 3 at 2:44 AM MDT until August 3 at 9:00 PM MDT.
Affected Areas
The warning covers Sioux Ranger District Custer National Forest in Fire Zone 133. Affected counties include Carter and Fallon in Southeast Montana, and Harding in Northwest South Dakota.
What You Should Do
A Red Flag Warning means critical fire weather conditions are either occurring now or will shortly. Residents should prepare for the possibility of extreme fire behavior due to the combination of gusty winds, low relative humidity, and warm temperatures.
Expected Conditions
North winds of 15 to 30 mph with gusts up to 40 mph are expected. Humidity levels may drop as low as 20 percent, with temperatures in the lower 80s. These conditions will create erratic fire behavior.
Timeline
The alert takes effect at 3:00 AM MDT on August 3 and remains in effect until 9:00 PM MDT on August 3.
Original source: NOAA Official Notice ↗
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