Washington · incident record
Colwash Fire, Washington
39,103
Acres reported
100%
Contained
0
Acres since yesterday
Last updated · refreshed every 15 minutes from the NIFC WFIGS feed · awareness only — follow local authorities
Update ·
As of Sep 11, 2026, 18:15 UTC, the Colwash Fire is no longer listed in the federal active-fire feed at 39,103 acres, 100% contained, in Yakima County, Washington.
No change in reported size or containment since Sep 10, 2026, 18:15 UTC.
The most recent mapped perimeter (Aug 25, 2026, 17:59 UTC) covers 39,103 acres; the mapped perimeter has been updated 8 times since the fire began.
No satellite heat detections matched to this incident in the last 24 hours (last one Sep 7, 2026, 20:42 UTC).
It was last present in the feed Sep 11, 2026, 18:15 UTC; the largest size reported was 39,103 acres. This page stays up as a record of the incident.
Colwash Fire map
The most recent mapped perimeter (solid) and the previous day's perimeter (dashed), with the reported point of origin.
Latest perimeter Previous perimeter · Perimeters come from the WFIGS interagency perimeter service and are usually mapped once a day; the mapped area can differ from the reported acreage.
Key facts
- Size
- 39,103 acres
- Containment
- 100%
- Status
- Not in feed (last seen Sep 11, 2026)
- Discovered
- Aug 22, 2026
- Location
- Yakima County, Washington
- Origin point
- 46.1751, -120.1962
- Perimeter mapped
- Aug 25, 2026 (43 days ago)
- Satellite heat, 24 h
- none matched
Nearest towns
Distances are from the reported point of origin, not from the fire’s edge (see the perimeter map for the current extent).
- Mabton, WA
- Granger, WA
- Sunnyside, WA
- Toppenish, WA
- Grandview, WA
Other fires nearby
Colwash Fire timeline
Day by day: the largest size and containment reported each UTC day, from our 15-minute archive of the federal feed (first seen Aug 22, 2026, 15:45 UTC).
| Day (UTC) | Reported size | Change | Contained |
|---|---|---|---|
| Sep 11, 2026 | 39,103 acres | 0 | 100% |
| Sep 10, 2026 | 39,103 acres | 0 | 100% |
| Sep 9, 2026 | 39,103 acres | 0 | 100% |
| Sep 7, 2026 | 39,103 acres | 0 | 100% |
| Sep 6, 2026 | 39,103 acres | 0 | 100% |
| Sep 5, 2026 | 39,103 acres | 0 | 100% |
| Sep 4, 2026 | 39,103 acres | +30 | 100% |
| Sep 3, 2026 | 39,073 acres | +474 | 100% |
| Aug 25, 2026 | 38,599 acres | 0 | 8% |
| Aug 24, 2026 | 38,599 acres | +34,599 | 8% |
| Aug 23, 2026 | 4,000 acres | +3,300 | 0% |
| Aug 22, 2026 | 700 acres | — | — |
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Colwash Fire questions, answered from the data
How big is the Colwash Fire?
As of Sep 11, 2026, 18:15 UTC, the Colwash Fire is reported at 39,103 acres. No change in reported size or containment since Sep 10, 2026, 18:15 UTC.
Is the Colwash Fire contained?
Yes — the Colwash Fire was reported 100% contained as of Sep 11, 2026, 18:15 UTC. Containment means a control line surrounds the fire; interior areas can keep burning for days.
Where is the Colwash Fire?
The reported point of origin is at 46.1751, -120.1962 in Yakima County, Washington. Nearest towns: Mabton (9.9 mi E), Granger (12 mi N), Sunnyside (14 mi NE). The map on this page shows the most recent mapped perimeter.
Is the Colwash Fire still burning?
It is no longer in the federal active-fire feed; it was last listed Sep 11, 2026, 18:15 UTC. Fires drop out of the feed when the incident is closed or handed to local management, not necessarily when every ember is out.
What is the timeline of the Colwash Fire?
The Colwash Fire was first listed in the federal feed Aug 22, 2026, 15:45 UTC (reported discovery date Aug 22, 2026). It was last listed Sep 11, 2026, 18:15 UTC, after peaking at 39,103 acres. The timeline table on this page shows the size and containment reported each UTC day across 12 days of archive.
Where do I find evacuation orders for the Colwash Fire?
From the county sheriff and local emergency management, not from this site. Check the official Washington sources on our Washington page and your county’s alert system. FireRiskHere is for awareness only.
How current is this page?
The numbers come from the National Interagency Fire Center's WFIGS incident feed and the WFIGS perimeter service, refreshed every 15 minutes, plus NASA FIRMS satellite detections hourly. This page was last updated Sep 11, 2026, 18:15 UTC. Acreage and containment are what the incident team reports and can lag by hours.
About this page
This page is generated automatically for every wildfire whose reported size reaches 1,000 acres, from FireRiskHere’s archive of the National Interagency Fire Center’s WFIGS incident feed (captured every 15 minutes), the WFIGS interagency perimeter service, and NASA FIRMS satellite detections. It stays online after the fire is contained as a record of the incident. Nothing here is an official notice — for evacuation orders and road closures follow your county sheriff and local emergency management. How the site works →