"This incident is notable for its rapid expansion to over 129,000 acres and the extensive resources committed—over 800 personnel at peak—yet it achieved high containment within a month, illustrating effective suppression under extreme conditions."
The Widemouth 2 wildfire, located 2 miles southwest of Kanosh in Millard County, Utah, was discovered on July 27, 2026 and is a natural‑cause fire under USFS jurisdiction. By August 6 it had burned 96,702 acres and was 10% contained, with 540 personnel on the scene. The fire grew rapidly, reaching 129,741 acres by mid‑August and peaking at 129,741 acres with containment rising from 24% in early August to 93% by August 18, and eventually 98% by September 12. Fire behavior shifted from extreme and group torching in early August to minimal, creeping, and smoldering conditions by late August, while personnel numbers fell from a peak of 877 to 36 by the end of September. The estimated cost climbed from $14.2 million on August 7 to $36.1 million by September 14.
Official source description: 2 Miles SW from Kanosh, UT
Minimal; Smoldering; Creeping
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Enoch. Source: AirNow.gov (EPA).
The fire is currently minimal and smoldering with 98% containment; general wildfire safety precautions still apply, but no evacuation is required at this time.
IRWIN ID: {07C99ED8-E61D-43F0-AF86-B3A75F30781C}
Discovered: Jul 27, 2026
Cause: Natural
Managing Agency: USFS
Est. Cost to Date: $35,974,945
Coordinates: 38.7289, -112.499
Other wildfires that have recently been contained or dropped from official tracking in UT.
The Widemouth 2 Fire has burned 129,742 acres as of September 15, 2026.
As of the latest update, the Widemouth 2 Fire is 98% contained.
The official cause has been listed as: Natural.
The Widemouth 2 Fire is burning in Millard, UT.
Yes, as of the latest official update, the Widemouth 2 Fire remains active.
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