Valley Fire (Montana)
Started on Aug 18, 2026.
United States todayLive
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
- Rosebud County
- Jurisdiction
- Private land
Burning across private lands in Rosebud County, Montana, the active Valley Fire has consumed 225 acres since it began on August 18, 2026. Over its two days of burning, the fire has maintained an approximate average daily growth of 112 acres per day.
This incident unfolds during the region's typical fire season, which runs from June to October. Nationally, the broader context shows that 2,955,961 hectares have burned so far in 2026, marking a figure that is 46% below the two-decade average.
In context
This wildfire burned in Montana for 3 days. In total it burned about 225 acres — around 0.9 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 3,213,890 hectares have burned so far in 2026 — 41% below the two-decade average. Data from Copernicus GWIS.
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