Corny Coulee Fire
The Corny Coulee Fire was reported on September 3, 2026 in Rosebud County, Montana and has burned 400 acres. The cause is listed as natural.
- Size
- 400 acres
- Contained
- Not reported
- Discovered
- September 3, 2026
Radar
Reflectivity now over Corny Coulee Fire. Open it to see fires and the fire weather outlook on the map.























Radar mosaic and map layers from NOAA MRMS and NOAA Storm Prediction Center. Boundaries from the Iowa Environmental Mesonet.
Map
No perimeter has been mapped for this fire; the map shows its point of origin. Point of origin 46.476, -106.814.
The incident
- Size
- 400 acres
- Containment
- Not reported
- Discovered
- September 3, 2026 at 8:40 AM MDT
- Cause
- Natural
- County
- Rosebud County
- State
- Montana
- Protecting agency
- C&L
- Land ownership at origin
- Private
- Incident type
- Wildfire
- Unique fire identifier
- 2026-MTLG29-000780
- IRWIN identifier
- 374AFC06-CBB5-4983-B7C3-A57C9B2136BC
Weather at the fire
- Wind up to 10 mph from the east-northeast
- Relative humidity as low as 92%
- High of 59°F
National Weather Service hourly forecast for the fire’s point of origin, next 24 hours.
Alerts in force
Red Flag Warnings and Fire Weather Watches covering the fire's point of origin.
No Red Flag Warning or Fire Weather Watch is in force at the fire.
Smoke
NOAA’s Hazard Mapping System analysts have not drawn smoke over the fire’s origin today.
NOAA’s smoke model forecasts near-surface smoke at the origin peaking at 0 µg/m³ around Sun, 5:00 AM MDT over the next 48 hours.
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 September 14, 2026 at 11:38 AM MDT. Identifier 2026-MTLG29-000780.