Mm115 Hwy 20 Fire (Idaho)

Burning across private land in Elmore County, Idaho, the active Mm115 Hwy 20 Fire located 12 miles northeast of Mountain Home has consumed 5,139 acres since it started on August 7, 2026. Over its six days of burning, the incident has maintained an average daily growth of approximately 857 acres per day. Fire activity has now shifted to minimal, creeping, and isolated torching through one-foot short grass fuels. A total of 252 personnel are assigned to the Type 3 Incident, operating under a Type 3 IC management structure to achieve the current 90 percent containment, with suppression costs reaching $4,500,000.

The human-caused fire is unfolding against the backdrop of the region's typical fire season, which runs from June to October. On a national scale, the broader context shows that 2,866,952 hectares have burned across the country so far in 2026, marking a figure that sits 48 percent below the two-decade average.