Wildhorse Fire
201725,909 acresIdaho
The Wildhorse Fire burned 25,909 acres, about 40 square miles, across 3 counties. It began on July 30, 2017.
Watch how it happenedWildhorse Fire · 2017
How it happened
Watch it burn in the order satellites saw it, coloured by how severely each place burned.
How severely it burned
Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.
| Severity | Share | Acres |
|---|---|---|
| Lowsurface fire, most trees survive | 90% | 23,265 |
| Unburned to lowislands inside the perimeter, little change | 10% | 2,611 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 34 |
Most of the area inside the perimeter burned at low severity or not at all.
Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.
Where it burned
Acres inside each county, measured from the satellite-mapped perimeter.
| Blaine County | ID | 14,991 |
| Butte County | ID | 8,149 |
| Bingham County | ID | 2,721 |
Other large fires in Idaho in 2017
- Highline Fire93,679 acres
- Lolo Peak Fire62,337 acres
- Powerline Fire54,349 acres
- Mammoth Cave Fire50,410 acres
- Powerline Fire45,405 acres
- Loveridge Fire39,611 acres
- Shoestring Fire35,544 acres
- Antelope Fire29,651 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.