Sinlahekin Fire (Washington)
Started on Jul 26, 2026. 24% of the perimeter still to contain.
United States todayLive
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).
Active fires nearby3 · 100 km
Quick facts
- Location
- 1 Miles W from Tonasket, WA
- Personnel
- 755
- Complexity
- Type 3 Incident
- Fuel
- Timber (Litter and Understory)
- Behavior
- Minimal, Smoldering, Creeping
- Jurisdiction
- DNR · State land
Burning across Okanogan County, Washington, the active Sinlahekin Fire has steadily expanded over 47 days since starting on July 26, 2026, averaging a rapid growth of approximately 3,532 acres per day. Located one mile west of Tonasket, the blaze has consumed 166,021 acres of state land managed by the DNR, fueled primarily by one-foot short grass. Despite these vast dimensions, firefighters have achieved 76 percent containment of the incident.
Current fire behavior is characterized as minimal, smoldering, and torching. A massive contingent of 895 personnel is assigned to the incident, operating under a Complex Incident Management Team as a Type 1 Incident. Operations to suppress the blaze have accumulated a cost of $125,000,000.
This major wildfire unfolds against a broader national backdrop where 3,207,126 hectares have burned so far in 2026, tracking 41 percent below the country's two-decade average. The region's typical fire season spans from June to October.
In context
This wildfire has been burning in Washington for 48 days. So far it has affected roughly 166,021 acres — about 672 km². About 76% of the perimeter is contained — over half is secured, though hotspots remain.
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 3,207,126 hectares have burned so far in 2026 — 41% below the two-decade average. Data from Copernicus GWIS.
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