Mm81 Hwy55 Fire (ID)
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
- 6 Miles W from GARDEN VALLEY, ID
- Cause
- Human
- Personnel
- 123
- Complexity
- Type 4 Incident
- Fuel
- Short Grass (1 foot)
- Behavior
- Moderate, Backing, Uphill Runs
- Jurisdiction
- BLM · Federal land
Burning across federal land under the management of the Bureau of Land Management, the active Mm81 Hwy55 Fire is located six miles west of Garden Valley in Boise County, Idaho. Having already consumed 330 acres since its start on August 12, 2026, the human-caused fire has averaged a daily growth of approximately 165 acres over its two days of burning, with satellites picking up four heat detections in the past 48 hours to map its nearby spread.
Fire behavior is currently characterized as moderate with backing and uphill runs through one-foot short grass fuel. Zero containment has been achieved so far as 123 personnel respond to the incident, operating under a Type 3 Incident Commander as a Type 4 incident with suppression costs reaching $600,000.
This incident unfolds during the region's typical fire season, which runs from June to October. Nationally, the broader context shows that 2,902,022 hectares have burned so far in 2026, tracking 47% below the two-decade average.
In context
This wildfire has been burning in Idaho for 2 days. So far it has affected roughly 330 acres — about 1.3 km². Crews report no containment yet, so the fire can still spread.
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 2,902,022 hectares have burned so far in 2026 — 47% below the two-decade average. Data from Copernicus GWIS.
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Community reports
Reports from people near the fire · unverified
Not official emergency information. In an emergency, contact fire services/authorities.
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