Red Flag Warning Issued for Southeast Montana and Northwest South Dakota
This alert is no longer in effect.
NOAA issued it on April 29, 2026, 3 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).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Red Flag Warning is in effect until 9:00 PM MDT on April 22, 2026, for areas including Northern Rosebud and Treasure Counties, due to critical fire weather conditions with strong winds and low humidity.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southeast Montana and Northwest South Dakota
- Issued
- April 29, 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: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Southeast Montana and Northwest South Dakota.
Alert Details
The National Weather Service in Billings has issued a Red Flag Warning, effective from 10:41 AM MDT on April 22, 2026, until 9:00 PM MDT on the same day.
Affected Areas
The warning affects Northern Rosebud/Northern Treasure Counties; Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest. Specific counties include Harding in Northwest South Dakota, Big Horn in South Central Montana, and Carter, Custer, Fallon, Powder River, Rosebud, and Treasure in Southeast Montana. Fire zones impacted are MTZ130, MTZ131, MTZ132, and MTZ133.
What You Should Do
A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. Prepare for the potential of extreme fire behavior due to strong winds, low relative humidity, and warm temperatures.
Expected Conditions
Conditions include low humidities as low as 12 percent, temperatures up to 87 degrees, southwest winds of 15 to 30 mph with gusts up to 45 mph, and a wind shift with a cold front. Isolated showers may cause gusty and erratic winds.
Timeline
The alert is effective from 10:41 AM MDT on April 22, 2026, and ends at 9:00 PM MDT on April 22, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,256 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 29, 2026.
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