Mm115 Hwy 20 Fire (Idaho)
True color
Fire (SWIR)
Infrared / SWIR (right): sees through smoke.
🟢 green = vegetation
🟤 red/brown = burned
🟠 orange = active fire
Imagery: Sentinel-2 (Copernicus). Drag to compare smoke vs. infrared.
Heat detections: NASA FIRMS (last 48h).
Quick facts
- Location
- 12 Miles NE from MOUNTAIN HOME, ID
- Cause
- Human
- Personnel
- 252
- Complexity
- Type 4 Incident
- Fuel
- Short Grass (1 foot)
- Behavior
- Minimal, Creeping, Isolated Torching
- Jurisdiction
- Private land
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.
In context
This wildfire burned in Idaho for 6 days. In total it burned about 5,139 acres — around 21 km².
In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.
The bigger picture in United States
Across United States, roughly 3,177,542 hectares have burned so far in 2026 — 42% below the two-decade average. Data from Copernicus GWIS.
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