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Inactive

Coldwater

Cassia, ID · Undetermined

This fire is no longer active. It burned 1,539 acres in Cassia before dropping off the national incident feed.

0%Inactive

1,539

Acres Burned

75

Days Burning

Aug 28, 2026

Discovered

2mo ago

Last Update

Growth

No growth in the last day, containment at 100%
Aug 28 / 2,000 acresAug 31 / 1,539 acres

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Public Lands Nearby

7 public land units within 75 miles

Minidoka National Wildlife Refuge

Go

Wildlife Refuge / ID

14.5 mi

NW

Curlew National Grassland

Go

National Grassland / ID

32.5 mi

SE

Craters Of The Moon National Monument

Go

Monument / ID

46.3 mi

NW

Craters of the Moon National Preserve

Go

NCA / ID

46.4 mi

NW

City of Rocks National Reserve

Go

NCA / ID

47.6 mi

SW

Craters of the Moon National Wilderness Area

Go

Wilderness / ID

60.8 mi

N

Craters of the Moon National Monument

Go

Monument / ID

61.7 mi

N

Situation Updates

Changes read from NIFC interagency perimeter data

Coldwater update: 1,539 acres, 100% contained

Perimeter data
Aug 31

Per interagency perimeter data, the Coldwater was remapped 361 acres lower to 1,539.

IRWIN

Coldwater update: 1,900 acres, 100% contained

Perimeter data
Aug 31

Per interagency perimeter data, the Coldwater containment moved from 85% to 100%.

IRWIN

Coldwater update: 1,900 acres, 85% contained

Perimeter data
Aug 30

Per interagency perimeter data, the Coldwater containment moved from 70% to 85%.

IRWIN

Coldwater update: 1,900 acres, 70% contained

Perimeter data
Aug 29

Per interagency perimeter data, the Coldwater was remapped 1,100 acres lower to 1,900.

IRWIN

Coldwater update: 3,000 acres

Perimeter data
Aug 28

Per interagency perimeter data, the Coldwater grew 1,000 acres to 3,000.

IRWIN

Coldwater mapped at 2,000 acres

Perimeter data
Aug 28

Interagency perimeter data shows the Coldwater at 2,000 acres.

IRWIN

Timeline

Aug 28Now

75 days since discovery

Other Fires in Idaho

1 other active fire

Idaho wildfire map: every fire burning in the state and the past year's fires. Planning a trip? Idaho 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: f1db1e94-7fa2-4ca3-bd95-c0fabd94fca8

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.