MM 13 Fire
The MM 13 Fire was reported on September 13, 2026 in Big Horn County, Montana and has burned 400 acres. The cause is listed as natural.
- Size
- 400 acres
- Contained
- Not reported
- Discovered
- September 13, 2026
Map
No perimeter has been mapped for this fire; the map shows its point of origin. Point of origin 45.561, -107.692.
The incident
- Size
- 400 acres
- Containment
- Not reported
- Discovered
- September 13, 2026 at 9:50 PM MDT
- Cause
- Natural
- County
- Big Horn County
- State
- Montana
- Protecting agency
- BIA
- Jurisdiction
- BIA
- Land ownership at origin
- BIA
- Incident type
- Wildfire
- Unique fire identifier
- 2026-MTCRA-261431
- IRWIN identifier
- CCFFE67A-AAD8-4453-8B30-413D0B2B2990
Weather at the fire
- Wind up to 8 mph from the east-southeast
- Relative humidity as low as 24%
- High of 82°F
National Weather Service hourly forecast for the fire’s point of origin, next 24 hours.
Alerts in force
Red Flag Warnings and Fire Weather Watches covering the fire's point of origin.
No Red Flag Warning or Fire Weather Watch is in force at the fire.
Smoke
NOAA’s Hazard Mapping System analysts have not drawn smoke over the fire’s origin today.
NOAA’s smoke model forecasts near-surface smoke at the origin peaking at 0.5 µg/m³ around Thu, 5:00 PM MDT over the next 48 hours.
Nearby
Montana wildfires today Wildfires of 2026 All current fires
Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated September 22, 2026 at 10:44 AM MDT. Identifier 2026-MTCRA-261431.