"This incident is notable for its rapid expansion to over 129,000 acres and the sustained deployment of nearly 900 personnel and millions of dollars in resources over several weeks, illustrating the challenges of managing large, slow‑burning wildfires in remote areas."
The Widemouth 2 wildfire, located 2 miles southwest of Kanosh in Millard County, Utah, was discovered on July 27, 2026 and is managed by the US Forest Service. By early August it had burned 96,702 acres and was 10% contained, with 540 personnel on the scene. The fire grew rapidly to 129,741 acres by August 13, reaching 50% containment, and then slowed, with containment climbing to 93% by August 14 and 95% by August 29. Personnel numbers peaked at 877 on August 11 and have since declined to fewer than 100 by mid-September, while the fire behavior shifted from extreme and group torching to minimal, creeping smoldering. The estimated cost rose from $14.2 million on August 7 to $36.2 million by September 19, reflecting the prolonged effort to control the large, slow‑burning fire.
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 guidance applies, but residents should remain aware of potential flare‑ups and follow any local advisories.
IRWIN ID: {07C99ED8-E61D-43F0-AF86-B3A75F30781C}
Discovered: Jul 27, 2026
Cause: Natural
Managing Agency: USFS
Est. Cost to Date: $36,827,880
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 23, 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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