Lumber Fire

Active

Sanders County, Montana · Discovered August 22, 2026

7.0 acres
Size
-
Contained
-
24h growth
-
Personnel

Source: NIFC/IRWIN (interagency) · Last upstream update 2 hours ago

Current situation

Lumber Fire

Active fire
Air quality · Moderate
AQI 56

The Lumber Fire fire has burned 7.0 acres in Sanders County, Montana. Officials have not reported a containment figure yet. Air quality near the fire is moderate (AQI 56).

Latest official update

August 19, 2026

The Cherry Peak Fire was detected on the afternoon of August 18, 2026. The fire is burning in steep, rugged terrain with timber and grass. Initial fire activity included running and single tree torching. The fire is lightning caused and full suppression tactics are being implemented.The Lolo National Forest Type 3 Organization assumed command of the fire the morning of August 19.Closures: For firefighter and public safety, Forest Service Road 420 is closed starting August 21 due to firefighting operations on the Cherry Peak Fire. The closure begins at the junction of Forest Service Road 420…

Read the full update on InciWeb

Posted by the incident management team on InciWeb (inciweb.wildfire.gov).

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Growth & containment history

RecordedSizeContained
8/22/2026, 11:20:00 PM7.0 acres-
8/22/2026, 11:05:00 PM2.0 acres-

History recorded by Fire Nearby each time upstream size or containment changes.

About this data

Fire Nearby aggregates official incident data and shows exactly when each value was last updated. For evacuation decisions, always follow instructions from local emergency officials and check county emergency management channels.