"The Doublesprings fire’s rapid expansion to nearly 1,800 acres in a short period, combined with sustained low containment and significant resource allocation, highlights the challenges of managing natural ignition events in remote Idaho terrain."
The Doublesprings wildfire, located 31 miles northwest of Mackay in Custer County, Idaho, was first reported on August 6, 2026, after a natural ignition. The fire rapidly expanded from 1,073 acres to a peak of 1,796 acres by August 14, with containment remaining at 5% during the height of growth. Over the following weeks, the fire’s behavior shifted from active and spotting to minimal, smoldering conditions, and containment increased steadily, reaching 70% by mid-September. Personnel numbers fluctuated from 56 to 69 during the active phase and dropped to single digits as the fire entered a smoldering stage. Estimated costs climbed from $150,000 to $725,500 as the fire persisted.
Official source description: 31 Miles NW from Mackay, ID
Minimal; Creeping; Smoldering
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Ketchum. Source: AirNow.gov (EPA).
With the fire now minimal and smoldering, general wildfire safety guidance applies; remain aware of potential flare-ups and follow any local advisories.
IRWIN ID: {960C064B-1764-4834-BD28-90FB69A4AB4A}
Discovered: Jul 24, 2026
Cause: Natural
Managing Agency: USFS
Est. Cost to Date: $725,500
Coordinates: 44.3227, -113.8569
Other wildfires that have recently been contained or dropped from official tracking in ID.
The Doublesprings Fire has burned 1,779 acres as of September 17, 2026.
As of the latest update, the Doublesprings Fire is 70% contained.
The official cause has been listed as: Natural.
The Doublesprings Fire is burning in Custer, ID.
Yes, as of the latest official update, the Doublesprings Fire remains active.
Real-time map, acreage, and containment for every major U.S. wildfire, updated from official NIFC data.
View Live Map →