Windy Rock Fire
The Windy Rock Fire was reported on August 14, 2025 in Powell County, Montana and burned 4,243 acres. It was declared out on December 15, 2025. The cause is listed as natural.
- Size
- 4,243 acres
- Contained
- 100%
- Discovered
- August 14, 2025
- Personnel
- 1
Map
Perimeter mapped December 30, 2025 at 11:25 AM MST, 6,175 acres (mixed methods). Point of origin 46.719, -112.846.
The incident
- Size
- 4,243 acres
- Containment
- 100%
- Discovered
- August 14, 2025 at 6:09 PM MDT
- Contained
- October 31, 2025 at 8:49 AM MDT
- Controlled
- November 6, 2025 at 2:19 PM MST
- Declared out
- December 15, 2025 at 9:36 AM MST
- Cause
- Natural
- Location
- 15 Miles NE from Drummond, MT
- County
- Powell County
- State
- Montana
- Protecting agency
- DNRC
- Jurisdiction
- BLM
- Land ownership at origin
- BLM
- Personnel assigned
- 1
- Incident management
- Type 4 IC, Type 3 Incident
- Primary fuel
- Short Grass (1 foot)
- Estimated cost to date
- $55,800,000
- Incident type
- Wildfire
- Unique fire identifier
- 2025-MTSWS-256444
- IRWIN identifier
- 29B33B22-87B3-478C-B4CC-E1916551C503
Growth
Mapped area at the last perimeter of each day, from August 21, 2025 (1,316 acres) to December 30, 2025 (6,175 acres). The largest one-day growth was 2,803 acres, mapped September 4, 2025.
| Day | Acres | Change |
|---|---|---|
| August 21, 2025 | 1,316 | |
| August 22, 2025 | 1,957 | +641 |
| August 23, 2025 | 2,260 | +303 |
| August 24, 2025 | 2,723 | +463 |
| August 25, 2025 | 3,427 | +704 |
| August 26, 2025 | 2,013 | -1,414 |
| August 27, 2025 | 2,245 | +232 |
| August 29, 2025 | 2,207 | -38 |
| August 30, 2025 | 2,162 | -45 |
| August 31, 2025 | 2,163 | +1 |
| September 1, 2025 | 2,169 | +6 |
| September 2, 2025 | 2,180 | +11 |
| September 3, 2025 | 2,198 | +18 |
| September 4, 2025 | 5,001 | +2,803 |
| September 5, 2025 | 5,070 | +69 |
| September 6, 2025 | 5,071 | +1 |
| September 7, 2025 | 5,339 | +268 |
| September 8, 2025 | 5,508 | +169 |
| September 9, 2025 | 6,024 | +516 |
| September 10, 2025 | 6,031 | +7 |
| September 11, 2025 | 6,022 | -9 |
| September 13, 2025 | 6,025 | +3 |
| September 16, 2025 | 6,026 | +1 |
| September 18, 2025 | 6,018 | -8 |
| September 20, 2025 | 6,018 | 0 |
| September 22, 2025 | 6,030 | +12 |
| September 23, 2025 | 6,040 | +10 |
| September 25, 2025 | 6,037 | -3 |
| September 26, 2025 | 6,096 | +59 |
| September 27, 2025 | 6,166 | +70 |
| September 28, 2025 | 6,172 | +6 |
| December 30, 2025 | 6,175 | +3 |
Weather in the area
This fire is no longer listed as current. The forecast for Lincoln, MT covers the area today.
Nearby
- Lincoln, MT18 miles northeast of the fire’s origin
- Deer Lodge, MT23 miles south of the fire’s origin
- Helena West Side, MT36 miles east of the fire’s origin
- Helena Valley Northwest, MT37 miles east of the fire’s origin
- Warm Springs, MT37 miles south of the fire’s origin
- Helena Valley West Central, MT37 miles east 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 December 30, 2025 at 11:25 AM MST. Identifier 2025-MTSWS-256444.