Tucannon Mutual Aid Fire (WA)
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
- 8 Miles E from Dayton, WA
- Cause
- Human
- Personnel
- 2
- Complexity
- Type 5 Incident
- Fuel
- Tall Grass (2.5 feet)
- Behavior
- Minimal, Creeping, Smoldering
- Jurisdiction
- Private land
Burning across private lands in Columbia County, Washington, the human-caused Tucannon Mutual Aid Fire is located 8 miles east of Dayton, WA. After spending 55 days active on the landscape and averaging an approximate daily growth of 147 acres per day, the fire has grown to encompass 8,069 acres.
Currently, the fire is 100 percent contained with a status of contained, managed by a Type 5 Incident Command and supported by 2 personnel. Fire behavior is characterized as minimal, creeping, and smoldering within tall grass fuels standing about 2.5 feet tall, bringing total costs for the incident to $825,000.
This incident unfolds during the region's typical fire season, which runs from June to October. On a broader national scale, 2,761,076 hectares have burned across the country so far in 2026, marking a figure that is 50% below the two-decade average.
In context
This wildfire burned in Washington for 61 days. In total it burned about 8,069 acres — around 33 km².
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 3,021,962 hectares have burned so far in 2026 — 45% below the two-decade average. Data from Copernicus GWIS.
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Community reports
Reports from people near the fire · unverified
Not official emergency information. In an emergency, contact fire services/authorities.
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