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Inactive

Cass

Treasure, MT · Undetermined

This fire is no longer active. It burned 55 acres in Treasure before dropping off the national incident feed.

0%Inactive

55

Acres Burned

109

Days Burning

Jul 24, 2026

Discovered

2mo ago

Last Update

Growth

No growth in the last day, containment at 0%
Jul 28 / 55 acresAug 25 / 55 acres

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Public Lands Nearby

2 public land units within 75 miles

Little Bighorn Battlefield National Monument

Check first

Monument / MT

29.3 mi

SW

Custer National Forest

Check first

National Forest / MT

52.6 mi

SW

Situation Updates

Changes read from NIFC interagency perimeter data

Cass mapped at 55 acres

Perimeter data
Jul 25

Interagency perimeter data shows the Cass at 55 acres.

IRWIN

Cass mapped at 54 acres

Perimeter data
Jul 25

Interagency perimeter data shows the Cass at 54 acres.

IRWIN

Cass mapped at 50 acres

Perimeter data
Jul 25

Interagency perimeter data shows the Cass at 50 acres.

IRWIN

Timeline

Jul 24Now

109 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: 7e703c7d-4019-4d9e-9d3a-42511497fe29

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.