Tartar Fire (Idaho)
True color
Fire (SWIR)
Infrared / SWIR (right): sees through smoke.
🟢 green = vegetation
🟤 red/brown = burned
🟠 orange = active fire
Imagery: Sentinel-2 (Copernicus). Drag to compare smoke vs. infrared.
Heat detections: NASA FIRMS (last 48h).
Quick facts
- Location
- 21 Miles NW from Weiser, ID
- Cause
- Natural
- Personnel
- 41
- Complexity
- Type 3 Incident
- Fuel
- Short Grass (1 foot)
- Behavior
- Minimal, Smoldering, Isolated Torching
- Jurisdiction
- Private land
Burning across 158,027 acres of private land in Washington County, Idaho, the Tartar Fire is now 100 percent contained after a 41-day run that saw an average daily growth of approximately 3,854 acres per day. Located 21 miles northwest of Weiser, the Type 3 incident is currently managed by a Type 4 Incident Commander with 41 personnel assigned. Fire behavior is minimal, characterized by smoldering and isolated torching within short grass fuels standing about one foot tall. The natural-cause fire has incurred a suppression cost of $25,000,000.
This blaze unfolds during a regional fire season that typically spans from June to October. Across the broader national landscape, a total of 3,169,257 hectares have burned so far in 2026, tracking 42 percent below the two-decade average.
In context
This wildfire has been burning in Idaho for 44 days. So far it has affected roughly 158,027 acres — about 640 km². The perimeter is 100% contained.
In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.
The bigger picture in United States
Across United States, roughly 3,178,795 hectares have burned so far in 2026 — 42% below the two-decade average. Data from Copernicus GWIS.
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