Hay Stack 2 Fire
The Hay Stack 2 Fire was reported on September 17, 2026 in Big Horn County, Montana and has burned 0.5 acres.
- Size
- 1 acres
- Contained
- Not reported
- Discovered
- September 17, 2026
Map
No perimeter has been mapped for this fire; the map shows its point of origin. Point of origin 45.724, -108.007.
The incident
- Size
- 1 acres
- Containment
- Not reported
- Discovered
- September 17, 2026 at 6:12 PM MDT
- Cause
- Undetermined
- County
- Big Horn County
- State
- Montana
- Protecting agency
- C&L
- Land ownership at origin
- Private
- Incident type
- Wildfire
- Unique fire identifier
- 2026-MTLG22-261405
- IRWIN identifier
- C4446B59-2F21-4776-85DD-C57AD55B45EF
Weather at the fire
- Wind up to 9 mph from the southeast
- Relative humidity as low as 26%
- High of 82°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 0.8 µg/m³ around Thu, 11:00 PM 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 21, 2026 at 11:21 AM MDT. Identifier 2026-MTLG22-261405.