Mile Marker 91 Fire
The Mile Marker 91 Fire was reported on August 17, 2025 in Sanders County, Montana and burned 308 acres. It is 100 percent contained. The cause is listed as human.
- Size
- 308 acres
- Contained
- 100%
- Discovered
- August 17, 2025
- Personnel
- 9
Map
Perimeter mapped October 30, 2025 at 5:19 PM MDT, 308 acres (mixed methods). Point of origin 47.339, -114.659.
The incident
- Size
- 308 acres
- Containment
- 100%
- Discovered
- August 17, 2025 at 3:30 PM MDT
- Cause
- Human
- Location
- 16 Miles S from HOT SPRINGS, MT
- County
- Sanders County
- State
- Montana
- Nearest city reported
- HOT SPRINGS
- Protecting agency
- BIA
- Jurisdiction
- BIA
- Land ownership at origin
- Tribal
- Personnel assigned
- 9
- Incident management
- Type 4 IC, Type 4 Incident
- Primary fuel
- Short Grass (1 foot)
- Estimated cost to date
- $810,000
- Incident type
- Wildfire
- Unique fire identifier
- 2025-MTFHA-000119
- IRWIN identifier
- 6B8D1DD6-B15B-448C-8333-F15C487BBDBB
Growth
Mapped area at the last perimeter of each day, from August 18, 2025 (309 acres) to October 30, 2025 (308 acres).
| Day | Acres | Change |
|---|---|---|
| August 18, 2025 | 309 | |
| October 30, 2025 | 308 | -1 |
Weather in the area
This fire is no longer listed as current. The forecast for Plains, MT covers the area today.
Nearby
- Plains, MT13 miles northwest of the fire’s origin
- Ronan, MT29 miles northeast of the fire’s origin
- Frenchtown, MT30 miles southeast of the fire’s origin
- Pablo, MT31 miles northeast of the fire’s origin
- Polson, MT34 miles northeast of the fire’s origin
- Thompson Falls, MT36 miles northwest of the fire’s origin
Montana wildfires today Wildfires of 2025 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 October 30, 2025 at 5:19 PM MDT. Identifier 2025-MTFHA-000119.