Foster Fire (California)
Started on Aug 9, 2026.
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
- 2 Miles NW from Winterhaven, CA
- Cause
- Human
- Personnel
- 7
- Complexity
- Type 4 Incident
- Fuel
- Brush (2 feet)
- Behavior
- Minimal, Smoldering
- Jurisdiction
- BIA · Federal land
Burning near Winterhaven, California, the active Foster Fire has consumed 252 acres since it was sparked by human activity on August 9, 2026. Over six days of burning, the blaze has maintained an approximate average daily growth of 42 acres per day, predominantly creeping through two-foot brush in Imperial County near Foster Road north of Indian Rock Road. Fire behavior is currently characterized as minimal and smoldering.
Federal land managed by the Bureau of Indian Affairs is impacted by the incident, which has reached 80 percent containment with a reported suppression cost of $86,000. A total of seven personnel operating under a Type 4 Incident management structure are assigned to the scene. The wider context shows that 2,909,844 hectares have burned nationally so far in 2026, tracking 47 percent below the two-decade average during a typical fire season that spans from June to October.
In context
This wildfire burned in California for 8 days. In total it burned about 252 acres — around 1.0 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 3,201,049 hectares have burned so far in 2026 — 42% below the two-decade average. Data from Copernicus GWIS.
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