What is the name and location of the wildfire?
As of August 23, 2026, the Colwash Fire is burning across Yakima and Benton counties in south-central Washington.
The fire is affecting areas near Mabton and along State Routes 22 and 221, including land near Glade Road, Byron Hill Road, and the Yakima-Benton county line.
Which cities or areas are affected by the Colwash Fire?
The cities and areas affected by the Colwash Fire include:
- Benton County
- Byron Hill Road
- Glade Road area
- Mabton
- State Route 22 corridor
- State Route 221 corridor
- Yakima County
What is the current containment status of the Colwash Fire?
As of August 23, 2026, the Colwash Fire has burned 34,733 acres and is 0% contained.
Are there any evacuation orders or alerts in place?
A Level 3 Go evacuation order is in effect in Benton County for areas east of the Yakima-Benton county line, south of State Route 22, south and west of State Route 221, and north of Sellards Road.
In Yakima County, a Level 3 Go order covers the State Route 22 corridor from Glade Road to the county line, including Byron Hill Road. Level 2 Set warnings cover the north side of State Route 22 and areas south of the highway toward Glade Road and the Klickitat county line. Areas east of Glade Road toward Mabton are under a Level 1 Ready notice.
The American Red Cross has established an evacuation shelter at Prosser High School, located at 1500 Paterson Road in Prosser, Washington.
Protect yourself from wildfire smoke
See how a wildfire smoke air purifier can help clean your air.
How can I protect myself from wildfire smoke?
Always plan ahead to protect yourself from wildfire smoke.
- Get a free air quality app for real-time air quality alerts and forecasts.
- Shut doors and windows and set the HVAC to recirculate mode.
- Run a high-performance air purifier to filter wildfire smoke.
- Contribute to your community’s outdoor air quality data.
- Stay indoors; if you do need to go outdoors, wear a KN95/FFP2 mask.
As of August 23, 2026, this fire is 0% contained.
