Boulder Fire
The Boulder Fire was reported on July 24, 2024 in Valley County, Idaho and burned 4,128 acres. It was declared out on September 11, 2024. The cause is listed as natural.
- Size
- 4,128 acres
- Contained
- 99%
- Discovered
- July 24, 2024
- Personnel
- 9
Map
Perimeter mapped January 17, 2025 at 6:14 AM MST, 4,158 acres (ir image interpretation). Point of origin 44.378, -116.108.
The incident
- Size
- 4,128 acres
- Containment
- 99%
- Discovered
- July 24, 2024 at 6:27 PM MDT
- Contained
- September 11, 2024 at 7:41 PM MDT
- Declared out
- September 11, 2024 at 7:41 PM MDT
- Cause
- Natural
- Location
- 9 Miles SW of Cascade, ID.
- County
- Valley County
- State
- Idaho
- Nearest city reported
- Cascade, ID
- Protecting agency
- USFS
- Jurisdiction
- USFS
- Land ownership at origin
- USFS
- Personnel assigned
- 9
- Incident management
- Type 3 IC, Type 3 Incident
- Primary fuel
- Timber (Grass and Understory)
- Estimated cost to date
- $48,300,000
- Incident type
- Wildfire
- Unique fire identifier
- 2024-IDBOF-000677
- IRWIN identifier
- 7FB8BF30-1A3A-424C-AE67-CFF353187A79
Growth
Mapped area at the last perimeter of each day, from July 28, 2024 (260 acres) to April 1, 2025 (4,158 acres). The largest one-day growth was 89,592 acres, mapped September 11, 2024.
| Day | Acres | Change |
|---|---|---|
| July 28, 2024 | 260 | |
| July 29, 2024 | 324 | +64 |
| July 31, 2024 | 554 | +230 |
| August 1, 2024 | 620 | +66 |
| August 3, 2024 | 841 | +221 |
| August 4, 2024 | 927 | +86 |
| August 5, 2024 | 927 | 0 |
| August 6, 2024 | 1,023 | +96 |
| August 8, 2024 | 1,367 | +344 |
| August 9, 2024 | 1,493 | +126 |
| August 10, 2024 | 1,594 | +101 |
| August 11, 2024 | 1,594 | 0 |
| August 12, 2024 | 1,795 | +201 |
| August 13, 2024 | 1,948 | +153 |
| August 14, 2024 | 1,948 | 0 |
| August 15, 2024 | 1,946 | -2 |
| August 16, 2024 | 1,968 | +22 |
| August 17, 2024 | 2,134 | +166 |
| August 18, 2024 | 2,264 | +130 |
| August 19, 2024 | 2,288 | +24 |
| August 20, 2024 | 2,301 | +13 |
| August 21, 2024 | 2,306 | +5 |
| August 25, 2024 | 2,396 | +90 |
| August 26, 2024 | 2,397 | +1 |
| August 29, 2024 | 2,372 | -25 |
| August 30, 2024 | 2,386 | +14 |
| August 31, 2024 | 2,393 | +7 |
| September 1, 2024 | 2,422 | +29 |
| September 2, 2024 | 2,868 | +446 |
| September 4, 2024 | 3,843 | +975 |
| September 5, 2024 | 3,957 | +114 |
| September 6, 2024 | 4,055 | +98 |
| September 7, 2024 | 4,128 | +73 |
| September 8, 2024 | 4,158 | +30 |
| September 11, 2024 | 93,751 | +89,593 |
| January 17, 2025 | 4,158 | -89,593 |
| April 1, 2025 | 4,158 | 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 2024 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 April 1, 2025 at 11:32 AM MDT. Identifier 2024-IDBOF-000677.