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Colwash Fire (Washington)

Contained · 100% contained · 39,103 acres · started 2026-08-22 · updated 2026-09-04

This fire in numbersDay 20
15,824Hectares39,103Acres20Days burning
Containment100%

Started on Aug 22, 2026.

United States todayLive
103Active738Hotspots 48h1.7 MHectares
Last 7 days · steadyHow many named wildfires were burning on each of the last 7 days. It rises when there are more than on the earlier days.
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Colwash Fire (Washington) — Sentinel-2 true color Colwash Fire (Washington) — Sentinel-2 SWIR (fuego) True color Fire (SWIR)
True color (left): as the eye sees it.
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).

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Quick facts

Location
5 Miles W from Mabton, WA
Cause
Natural
Personnel
4
Complexity
Type 3 Incident
Fuel
Short Grass (1 foot)
Behavior
Minimal, Smoldering
Jurisdiction
BIA · Federal land

Burning near Satus, Washington, in Yakima County, the Colwash Fire has charred 39,103 acres of federal land since its natural ignition on August 22, 2026. Managed under a Type 3 Incident by the Bureau of Indian Affairs with a four-person crew, the fire has maintained an average daily growth of approximately 3,008 acres per day over its 13-day burning period. After burning primarily through short grass fuel that stands about one foot tall, the blaze is now fully contained at 100 percent, exhibiting minimal and smoldering fire behavior.

The incident accumulated a total cost of $1,900,000 under Type 3 IC management. Nationally, the broader context shows 3,177,542 hectares burned across the country so far in 2026, tracking 42 percent below the two-decade average for a typical fire season that spans from June to October.

In context

This wildfire has been burning in Washington for 19 days. So far it has affected roughly 39,103 acres — about 158 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 3,201,049 hectares have burned so far in 2026 — 42% below the two-decade average. Data from Copernicus GWIS.

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