Tartar Fire
The Tartar Fire was reported on July 24, 2026 in Washington County, Idaho and burned 158,027 acres. It is 100 percent contained. The cause is listed as natural.
- Size
- 158,027 acres
- Contained
- 100%
- Discovered
- July 24, 2026
- Personnel
- 41
Map
Perimeter mapped August 11, 2026 at 3:48 PM MDT, 158,027 acres (mixed methods). Point of origin 44.541, -117.093.
The incident
- Size
- 158,027 acres
- Containment
- 100%
- Discovered
- July 24, 2026 at 10:00 AM MDT
- Cause
- Natural
- Location
- 21 Miles NW from Weiser, ID
- County
- Washington County
- State
- Idaho
- Nearest city reported
- Weiser
- Protecting agency
- BLM
- Land ownership at origin
- Private
- Personnel assigned
- 41
- Incident management
- Type 4 IC, Type 3 Incident
- Primary fuel
- Short Grass (1 foot)
- Estimated cost to date
- $25,000,000
- Incident type
- Wildfire
- Unique fire identifier
- 2026-IDBOD-265460
- IRWIN identifier
- DB5448A6-FCAC-4041-A817-6F8198161DBA
Growth
Mapped area at the last perimeter of each day, from July 25, 2026 (1,937 acres) to August 11, 2026 (158,027 acres). The largest one-day growth was 50,808 acres, mapped August 2, 2026.
| Day | Acres | Change |
|---|---|---|
| July 25, 2026 | 1,937 | |
| July 26, 2026 | 10,423 | +8,486 |
| July 27, 2026 | 12,208 | +1,785 |
| July 28, 2026 | 12,147 | -61 |
| July 30, 2026 | 11,983 | -164 |
| July 31, 2026 | 11,983 | 0 |
| August 1, 2026 | 46,929 | +34,946 |
| August 2, 2026 | 97,737 | +50,808 |
| August 3, 2026 | 132,122 | +34,385 |
| August 4, 2026 | 138,271 | +6,149 |
| August 5, 2026 | 147,281 | +9,010 |
| August 6, 2026 | 155,674 | +8,393 |
| August 7, 2026 | 158,022 | +2,348 |
| August 10, 2026 | 158,028 | +6 |
| August 11, 2026 | 158,027 | -1 |
Weather in the area
This fire is no longer listed as current. The forecast for Weiser, ID covers the area today.
Nearby
Idaho 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 3, 2026 at 2:52 PM MDT. Identifier 2026-IDBOD-265460.