"The fire’s rapid expansion to over 35,000 acres and the substantial resources committed—over 600 personnel and an estimated cost exceeding $36 million—highlight its significant impact on the region’s ecosystems and communities."
The Sand Creek wildfire, located in Beaverhead County, Montana, was first discovered on August 1, 2026. By the latest update on September 21, 2026, the fire had expanded to 35,520 acres and was 71% contained, with 154 personnel deployed. The blaze grew rapidly from 1,684 acres on August 6 to a peak of 35,490 acres on September 5, after which containment efforts began to gain traction. The incident remains under the jurisdiction of the U.S. Forest Service, and its behavior has shifted from extreme, wind‑driven runs in early August to minimal, backing and creeping activity in late September.
Official source description: 5 Miles E from Wisdom, MT
Minimal; Backing; Creeping; Smoldering
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Salmon. Source: AirNow.gov (EPA).
Given the current minimal fire behavior and 71% containment, general wildfire safety guidance applies: stay informed of local updates, avoid outdoor activities near the fire perimeter, and be prepared to evacuate if conditions change.
IRWIN ID: {84FD3D7E-6B04-49CD-A729-ED3178A49C42}
Discovered: Aug 1, 2026
Cause: Undetermined
Managing Agency: USFS
Est. Cost to Date: $36,500,000
Coordinates: 45.5547, -113.3257
Other wildfires that have recently been contained or dropped from official tracking in MT.
The Sand Creek Fire has burned 35,520 acres as of September 23, 2026.
As of the latest update, the Sand Creek Fire is 80% contained.
The official cause has been listed as: Undetermined.
The Sand Creek Fire is burning in Beaverhead, MT.
Yes, as of the latest official update, the Sand Creek Fire remains active.
Real-time map, acreage, and containment for every major U.S. wildfire, updated from official NIFC data.
View Live Map →