Wildhorse Fire (Idaho)

Spanning an impressive 107,562 acres across Elmore County, Idaho, the active Wildhorse Fire burning 10 miles north of Kimama has maintained a rapid trajectory since its natural ignition on August 24, 2026. Over its four days of burning, the blaze has expanded at an average daily growth rate of approximately 26,891 acres per day through tall grass standing 2.5 feet high. Fire behavior is currently characterized as extreme, running, and exhibiting short-range spotting, while satellites picking up a heat signature in the last 48 hours show a single localized detection.

A total of 141 personnel operating under Type 3 Incident Command and a Type 4 Incident complexity have managed to achieve 15 percent containment on the federally managed land overseen by the BLM. Suppression efforts for the incident have accumulated a cost of $2,000,000 as crews work to secure the perimeter against the ongoing threat posed by the tall grass fuel.

This incident unfolds during the region's typical fire season, which runs from June to October. Nationally, the broader context reveals that 3,126,257 hectares have burned so far in 2026, marking a figure that sits 43 percent below the country's two-decade average.