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
- 771
- Complexity
- Type 3 Incident
- Fuel
- Timber (Litter and Understory)
- Behavior
- Minimal, Smoldering, Creeping
- Jurisdiction
- DNR · State land
Burning for 49 days across Okanogan County, Washington, the Sinlahekin Fire has steadily expanded at an average rate of 3,388 acres per day to reach 166,026 acres. Located 1 miles west of Tonasket, the active blaze is currently exhibiting minimal, smoldering, and creeping behavior in timber, litter, and understory fuels. Managed by a Type 3 Team under the Department of Natural Resources, the state-managed incident involves 771 personnel and has accumulated 126,707,786.77 dollars in costs.
Despite its extensive footprint on the landscape, firefighters have achieved 76 percent containment on the complex incident, which started on July 26, 2026. This fire burns within the region's typical fire season, which spans from June to October. Nationally, the broader context shows 3,213,890 hectares burned so far in 2026, marking a figure that is 41 percent below the two-decade average.
In context
This wildfire has been burning in Washington for 49 days. So far it has affected roughly 166,026 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 3,216,670 hectares have burned so far in 2026 — 41% below the two-decade average. Data from Copernicus GWIS.
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