"The incident’s rapid growth and the substantial resources—over 140 personnel and more than $3 million in estimated costs—highlight its significance within the region’s wildfire season."
The Buckhorn wildfire, located 9 miles southeast of Featherville in Elmore County, Idaho, was first discovered on September 11, 2026. The fire, caused by human activity and managed by the U.S. Forest Service, quickly expanded from 100 acres to a peak of 161 acres by September 12, before shrinking to 154 acres by September 18. Containment progressed steadily, reaching 15% on September 14, 27% on September 16, 46% on September 17, 90% on September 18, and finally 100% on September 20. Throughout the incident, personnel numbers fluctuated from 95 to 149, with a total estimated cost rising to $3,156,513.
Official source description: 9 Miles SE from Featherville, ID
Minimal; Group Torching; Running
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Ketchum. Source: AirNow.gov (EPA).
The fire is now fully contained and behavior is minimal; standard wildfire safety precautions remain advised for the surrounding area.
IRWIN ID: {F62493AB-3191-4364-A6BC-48BC79F27D2F}
Discovered: Sep 11, 2026
Cause: Human
Managing Agency: USFS
Est. Cost to Date: $3,156,513
Coordinates: 43.5473, -115.1049
Other wildfires that have recently been contained or dropped from official tracking in ID.
The Buckhorn Fire has burned 161 acres as of September 20, 2026.
Yes, the Buckhorn Fire is fully contained (100%).
The official cause has been listed as: Human.
The Buckhorn Fire is burning in Elmore, ID.
Yes, as of the latest official update, the Buckhorn Fire remains active.
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