"The fire’s rapid increase of nearly 6 acres in a single day highlights the potential for quick expansion in natural ignition events, underscoring the importance of early detection and monitoring."
The Three Buffalo wildfire was discovered on September 11, 2026, near 45.0772°N, 105.7507°W in Powder River County, Montana, and is managed by the Bureau of Land Management. The fire began as a natural ignition and has grown from 30 acres to 35.8 acres by the latest update on September 12, 2026, with no containment reported. No specific fire behavior or weather conditions have been documented, and no evacuation orders have been issued. The incident remains active, with the BLM continuing to monitor and respond as needed. Over the 24‑hour period, the fire expanded modestly, indicating a slow but steady growth rate under current conditions.
General wildfire safety guidance applies: stay informed through local authorities, avoid the area if possible, and be prepared to evacuate if conditions change.
IRWIN ID: {407817C3-FEFF-4E9C-996F-D84BC2919413}
Discovered: Sep 11, 2026
Cause: Natural
Managing Agency: BLM
Coordinates: 45.0772, -105.7507
Other wildfires that have recently been contained or dropped from official tracking in MT.
The Three Buffalo Fire has burned 36 acres as of September 12, 2026.
The Three Buffalo Fire has not yet reached any official containment.
The official cause has been listed as: Natural.
The Three Buffalo Fire is burning in Powder River, MT.
Yes, as of the latest official update, the Three Buffalo Fire remains active.
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