Rock Fire
The Rock Fire was reported on August 13, 2025 in Valley County, Idaho and burned 2,796 acres. It was declared out on December 8, 2025. The cause is listed as natural.
- Size
- 2,796 acres
- Contained
- 100%
- Discovered
- August 13, 2025
- Personnel
- 29
Map
Perimeter mapped December 9, 2025 at 10:24 AM MST, 2,796 acres (mixed methods). Point of origin 44.667, -116.158.
The incident
- Size
- 2,796 acres
- Containment
- 100%
- Discovered
- August 13, 2025 at 12:27 AM MDT
- Contained
- September 30, 2025 at 8:00 AM MDT
- Controlled
- November 10, 2025 at 11:30 AM MST
- Declared out
- December 8, 2025 at 11:45 AM MST
- Cause
- Natural
- Location
- 5 Miles SW from Donnelly, ID
- County
- Valley County
- State
- Idaho
- Nearest city reported
- Donnelly
- Protecting agency
- USFS
- Jurisdiction
- USFS
- Land ownership at origin
- USFS
- Personnel assigned
- 29
- Incident management
- Type 4 IC, Type 4 Incident
- Primary fuel
- Timber (Litter and Understory)
- Estimated cost to date
- $30,000,000
- Incident type
- Wildfire
- Unique fire identifier
- 2025-IDBOF-000991
- IRWIN identifier
- 80155CD2-C73B-4C24-9384-5808ED8A57E8
Growth
Mapped area at the last perimeter of each day, from August 13, 2025 (683 acres) to December 9, 2025 (2,796 acres). The largest one-day growth was 2,796 acres, mapped September 4, 2025.
| Day | Acres | Change |
|---|---|---|
| August 13, 2025 | 683 | |
| August 14, 2025 | 1,897 | +1,214 |
| August 15, 2025 | 2,335 | +438 |
| August 16, 2025 | 2,335 | 0 |
| August 17, 2025 | 2,605 | +270 |
| August 18, 2025 | 2,695 | +90 |
| August 20, 2025 | 2,743 | +48 |
| August 21, 2025 | 2,797 | +54 |
| August 22, 2025 | 2,813 | +16 |
| August 23, 2025 | 2,838 | +25 |
| August 24, 2025 | 2,840 | +2 |
| August 26, 2025 | 2,792 | -48 |
| August 28, 2025 | 2,792 | 0 |
| August 29, 2025 | 2,795 | +3 |
| August 30, 2025 | 2,794 | -1 |
| August 31, 2025 | 2,796 | +2 |
| September 3, 2025 | 0 | -2,796 |
| September 4, 2025 | 2,796 | +2,796 |
| December 9, 2025 | 2,796 | 0 |
Weather in the area
This fire is no longer listed as current. The forecast for Cascade, ID covers the area today.
Nearby
Idaho 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 9, 2025 at 10:24 AM MST. Identifier 2025-IDBOF-000991.