Feed checks and source-record updates do not necessarily mean fire conditions changed. Figures below reflect the last recorded incident report.
Automated summary generated: Oct 23, 2026 00:45 UTC. It may lag behind the report and is not an official alert.
The COOLEY wildfire, located 4 miles south of Yorkville in Mendocino County, California, was first discovered on October 17, 2026. By the latest update on October 23, the fire had burned 1,365 acres and was 80% contained, with minimal fire behavior reported. The incident grew rapidly from 40 acres on the first day to over 1,000 acres by October 18, then expanded to 1,365 acres by October 19, while containment increased from 5% to 80% over six days. A total of 797 personnel were initially deployed, peaking at 869, before decreasing to 123 by the final report. Estimated costs rose from $1,000,000 to $5,000,000 as the fire progressed. The cause remains undetermined and no jurisdictional agency is listed.
Official source description: 4 Miles S from Yorkville, CA
Minimal
Good air quality at the reporting station. AQI does not assess fire danger, road access or evacuation status.
Reporting area: Not reported. Source: AirNow.gov (EPA).
Observed: 2026-10-23 06:00:00 UTC Β· Site: Ukiah Library.
Any automated community or travel summary below may be outdated. It is not a live evacuation or road-closure notice.
Verify evacuation orders, closures and access with the responsible fire agency, county emergency management or sheriff. A containment percentage, feed status or AQI reading does not establish that an area is safe to enter.
NIFC fire information and official resources βIRWIN ID: {730A7DAE-E447-4B05-BFF0-CCC274788DE5}
Discovered: Oct 17, 2026
Cause: Undetermined
Est. Cost to Date: $5,000,000
Coordinates: 38.8197, -123.1881
Other wildfires no longer present in our filtered incident feed in CA.
The COOLEY Fire has burned 1,365 acres as of October 23, 2026.
As of the latest update, the COOLEY Fire is 80% contained.
The official cause has been listed as: Undetermined.
The COOLEY Fire is burning in Mendocino, CA.
The COOLEY Fire currently meets our U.S. incident tracking criteria. This does not confirm current fire behavior.
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