The Big Rock fire burning in Jefferson, Idaho has consumed 2,199 acres since July 31 and remains 22 percent contained, posing a direct fire threat to homes in the affected area.
Overview written from official NASA EONET and National Interagency Fire Center/IRWIN data.
- Type
- Wildfires
- Official size
- 2,142 acres
- Containment
- 60%
- Cause
- Natural
- Began
- Status
- Ongoing
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Affected area map
The shaded area is the affected-area perimeter reported for this event by NASA EONET (Jefferson, Idaho), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Jefferson, Idaho · ≈ 3.4 sq mi reported extent · Enable JavaScript to explore the map.
2026-08-06 22:34 UTC · ≈ 3.3 sq mi · snapshot 4 of 4
View the timeline — how the reported area changed
Official size & containment
Official incident size and containment reported through NIFC / IRWIN, as we observed it. Newest first.
- 2,142 acres ±0 60% contained
- 2,142 acres ±0 55% contained
- 2,142 acres ±0 55% contained
- 2,142 acres ±0 54% contained
- 2,142 acres −7 54% contained
- 2,149 acres −50 22% contained
- 2,199 acres −283 22% contained
- 2,482 acres +278 0% contained
Show 1 earlier observation
- 2,204 acres 0% contained
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NASA EONET ↗.
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Fire damage restoration
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Water damage restoration
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Latest updates
We post official updates here as an event develops. There are no curated updates for this event yet — for the latest bulletins and advisories, follow the official source directly.