Old Lagoon Fire
The Old Lagoon Fire was reported on January 15, 2026 in Big Horn County, Montana and burned 110 acres. It was declared out on February 10, 2026. The cause is listed as human.
- Size
- 110 acres
- Contained
- Not reported
- Discovered
- January 15, 2026
Map
No perimeter has been mapped for this fire; the map shows its point of origin. Point of origin 45.612, -107.455.
The incident
- Size
- 110 acres
- Containment
- Not reported
- Discovered
- January 15, 2026 at 1:59 PM MST
- Contained
- February 10, 2026 at 12:54 PM MST
- Declared out
- February 10, 2026 at 12:54 PM MST
- Cause
- Human
- County
- Big Horn County
- State
- Montana
- Protecting agency
- BIA
- Jurisdiction
- BIA
- Land ownership at origin
- BIA
- Incident type
- Wildfire
- Unique fire identifier
- 2026-MTCRA-260013
- IRWIN identifier
- 10889208-E1F4-4164-BFB5-708C50EF5F61
Weather in the area
This fire is no longer listed as current. The forecast for Crow Agency, MT covers the area today.
Nearby
Montana wildfires today Wildfires of 2026 All current fires
Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated February 10, 2026 at 12:55 PM MST. Identifier 2026-MTCRA-260013.