Idaho leads the nation in active large fire count as of August 30, 2026, with 15 large fires burning across the state on National Forest, Bureau of Land Management, and county lands. The fires span from the Idaho Panhandle in the north to the southern Snake River Plain, stretching firefighting resources across hundreds of miles of some of the most rugged terrain in the American West.

Wildhorse Fire: Explosive Growth in Lincoln County

The most dramatic incident of Idaho's recent fire activity is the Wildhorse Fire in Lincoln County, managed by the Bureau of Land Management. According to AllFirefighter.com, the fire was first discovered on August 24 and exhibited explosive growth driven by dry grass fuels:

  • 60 acres at 01:00 on August 25
  • 3,000 acres by 04:20 the same morning
  • 21,862 acres by 18:40 on August 25

The Wildhorse Fire's rapid expansion through continuous grass fuels on BLM rangeland is a stark example of the volatile conditions across southern Idaho this season.

Selway Wilderness Complex

In the remote Selway-Bitterroot Wilderness along the Nez Perce-Clearwater National Forests, multiple lightning-caused fires are burning under a managed fire approach in designated wilderness areas:

  • Cascade Fire: 6,800 acres, 50% contained — 19 miles east of Lowell
  • Grotto Fire: 1,200 acres, 0% contained — 20 miles east of Lowell
  • Moose Mountain Fire: 5,486 acres, 8% contained — approximately 4 miles north of Kelly Forks Campground

The Nez Perce-Clearwater National Forests confirmed the Selway Wilderness fires consist of the Cascade, Wolf Creek, Three Links, and Grotto fires, all lightning-caused and located near the Selway River corridor.

Idaho Panhandle Fires

The Idaho Panhandle National Forests are also battling several active fires:

  • Dudley Fire: 557 acres, 0% contained — 5 miles north of Wallace, Idaho, in Shoshone County
  • Parker Lake Fire: 1,309 acres, 0% contained — 20 miles northwest of Bonners Ferry in the Kootenai River Valley, Long Creek Canyon
  • Porcupine Fire: 175 acres, 0% contained — approximately 7 miles northeast of Clark Fork

Boise National Forest and Southern Idaho

Further south, additional large fires continue to challenge firefighters:

  • Crooked Fire: 7,430 acres, 12% contained — 14 miles northeast of Idaho City along the North Fork of the Boise River
  • Flint Fire: 6,763 acres, 35% contained — 45 miles southwest of Nampa on BLM land
  • Tuana Gulch Fire: 2,700 acres, 0% contained — south of Bliss in Gooding County, running rapidly through continuous grassy fuels
  • Doublesprings Fire: 1,779 acres, 35% contained — 31 miles northwest of Mackay on the Salmon-Challis National Forest

Idaho emergency managers urge residents in rural areas to sign up for emergency alerts through their county sheriff's office, maintain defensible space around structures, and have go-bags ready throughout the remainder of fire season. Current fire information for Idaho is available through InciWeb at inciweb.wildfire.gov.