The Thumb wildfire in Minnesota is a natural fire with minimal to moderate behavior, currently covering 17,634 acres and 48% contained.
Official source description: 5 Miles S from Lac la Croix, MN
Minimal; Flanking; Backing; Isolated Torching
Monitor official updates for further information and follow evacuation orders if issued.
IRWIN ID: {95CE0306-59C6-4E05-B2CC-40C69E601413}
Discovered: Jul 7, 2026
Cause: Natural
Managing Agency: USFS
Est. Cost to Date: $2,795,334
Coordinates: 48.2877, -92.1922
The Thumb Fire has burned 17,634 acres as of August 9, 2026.
As of the latest update, the Thumb Fire is 48% contained.
The official cause has been listed as: Natural.
The Thumb Fire is burning in St. Louis, MN.
Yes, as of the latest official update, the Thumb Fire remains active.
Real-time map, acreage, and containment for every major U.S. wildfire, updated from official NIFC data.
View Live Map →