"This fire is notable due to its rapid containment, with 100% containment achieved in just three days, and the minimal fire behavior."
The Promontory wildfire is located in Box Elder County, Utah, with an initial size of 318 acres. The fire was discovered on July 27, 2026, at 21:05:37, and is currently 100% contained. The cause of the fire is undetermined. The fire behavior is minimal, and the jurisdictional agency is currently unknown. The situation has evolved with the fire being fully contained.
Minimal
General wildfire safety guidance applies, but the current minimal fire behavior suggests a low risk to the surrounding area.
IRWIN ID: {CB2FE600-72D7-47AE-971E-80BCE53A7AE2}
Discovered: Jul 27, 2026
Cause: Undetermined
Coordinates: 41.5585, -112.4062
Other wildfires that have recently been contained or dropped from official tracking in UT.
The Promontory Fire has burned 318 acres as of August 6, 2026.
Yes, the Promontory Fire is fully contained (100%).
The official cause has been listed as: Undetermined.
The Promontory Fire is burning in Box Elder, UT.
No, the Promontory Fire is no longer listed as active by NIFC.
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