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Active

North Sarpy

Big Horn, MT · Undetermined

An active fire at 0% containment. Conditions can change quickly. Check closures before traveling to nearby public lands.

0%Critical

20

Acres Burned

73

Days Burning

Jul 20, 2026

Discovered

10h ago

Last Update

Growth

No growth in the last day, containment at 0%
Jul 24 / 20 acresOct 1 / 20 acres

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Threatened Public Lands

3 public land units within 75 miles

Little Bighorn Battlefield National Monument

Check first

Monument / MT

21.1 mi

W

Custer National Forest

Check first

National Forest / MT

43.7 mi

SW

Bighorn Canyon National Recreation AreaClosures in effect

Closed

Recreation Area / MT

69.9 mi

SW

Official Park Alerts

Closures and dangers published by the National Park Service

Park Closure / Bighorn Canyon National Recreation Area

No Water Available at Ok-A-Beh Marina - Flushing Restrooms Closed

Due to a water shortage, flushable toilets are currently unavailable at the Ok-A-Beh Marina. Vault toilets are available at the upper parking lot and a floating restroom is available on the courtesy dock.

Situation Updates

Changes read from NIFC interagency perimeter data

East Tullock Creek mapped at 20 acres

Perimeter data
Jul 21

Interagency perimeter data shows the East Tullock Creek at 20 acres.

IRWIN

Timeline

Jul 20Now

73 days since discovery

Other Fires in MT

5 additional active fires

Sand Creek

Beaverhead, MT

36K acres

83%

Bobcat Lakes

Beaverhead, MT

11K acres

95%

Moose

Granite, MT

6K acres

37%

Nature Grove

Ravalli, MT

1.4K acres

0%

Deer Creek

Lincoln, MT

1.1K acres

96%

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: 1d2955d6-c41a-4d7a-a00c-1c4869f839c6

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.