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Inactive

Old Divide

Yellowstone, MT · Undetermined

This fire is no longer active. It burned 62 acres in Yellowstone before dropping off the national incident feed.

0%Inactive

62

Acres Burned

78

Days Burning

Aug 24, 2026

Discovered

1mo ago

Last Update

Growth

No growth in the last day, containment at 0%
Aug 25 / 0 acresSep 17 / 62 acres

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Public Lands Nearby

7 public land units within 75 miles

Lake Mason National Wildlife Refuge

Go

Wildlife Refuge / MT

35.1 mi

NW

Grass Lake National Wildlife Refuge

Go

Wildlife Refuge / MT

39.5 mi

SW

Hailstone National Wildlife Refuge

Go

Wildlife Refuge / MT

40.1 mi

W

War Horse National Wildlife Refuge

Go

Wildlife Refuge / MT

55.8 mi

N

Little Bighorn Battlefield National Monument

Check first

Monument / MT

65.4 mi

SE

Farm Service Agency Interest Of Mt

Go

Wildlife Refuge / MT

67.1 mi

S

Custer National Forest

Check first

National Forest / MT

67.9 mi

SE

Situation Updates

Changes read from NIFC interagency perimeter data

Old Divide update: 62 acres

Perimeter data
Aug 28

Per interagency perimeter data, the Old Divide grew 62 acres to 62.

IRWIN

Timeline

Aug 24Now

78 days since discovery

Other Fires in Montana

2 other active fires

Montana wildfire map: every fire burning in the state and the past year's fires. Planning a trip? Montana national parks guide.

Data Sources

Fire data from NIFC Wildland Fire Interagency Geospatial Services (WFIGS) via IRWIN. Satellite hotspots from NASA FIRMS VIIRS. Situation updates are either posted by the incident management team on InciWeb or read by us from WFIGS perimeter data, and each one says which. Air quality data from EPA AirNow. Public lands boundaries from USGS PAD-US 4.0.

IRWIN ID: 2cfdbed5-0590-4d56-b69c-e6ddabb2537c

Important

More Than Just Parks aggregates third-party data from EPA AirNow, NOAA, NASA FIRMS, and NIFC/WFIGS. Readings can be delayed, estimated, incomplete, or wrong, and conditions on the ground change quickly. This tool is for general information only and is not a substitute for official air quality alerts, fire and evacuation orders, land manager closures, or emergency services. Verify with the managing agency and local authorities before making any travel, health, or safety decision. We make no warranty as to accuracy and accept no liability for decisions made using this information. This is not an emergency or evacuation tool. If you are near a fire, follow official evacuation orders and call 911. Terms of Service.