Four Corner Fire (South Dakota)
Satellite image: NASA MODIS (infrared — active fire in orange/red, from yesterday).
Heat detections: NASA FIRMS (last 48h).
Quick facts
- Location
- Stanley County
- Cause
- Natural
- Jurisdiction
- Private land
Burning across private lands in Stanley County, South Dakota, the active Four Corner Fire has consumed 665 acres since it started naturally on September 8, 2026. Satellites are picking up seven heat detections nearby over the last 48 hours, highlighting the ongoing spread of the blaze during the region's typical fire season, which runs from June to October.
This incident unfolds within a broader national landscape where 3,188,211 hectares have burned so far in 2026, marking a figure that is 42% below the two-decade average.
In context
This wildfire has been burning in South Dakota for less than a day. So far it has affected roughly 665 acres — about 2.7 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 3,188,211 hectares have burned so far in 2026 — 42% below the two-decade average. Data from Copernicus GWIS.
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