Montana wildfires

Corny Coulee Fire

ActiveRosebud County, Montana2026Wildfire

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.

Open the live radar with fires and the fire weather outlook

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.

Live radar at the fire Forecast for Forsyth

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.

Full forecast for Forsyth, MT

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.

Smoke and fire layers on the radar

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.