Brown Reservoir Fire, Montana
Agency feeds show the Brown Reservoir Fire burning in Montana, United States. Reported size is about 339 acres (137 hectares) and was classified as Uncontained.
Activity & map
Timeline, Map & Situation
Timeline
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Size reported at approximately 339 acres (137 ha)
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Status: Uncontained
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Fire discovery / ignition reported
Map
46.3753, -105.2678
Current Situation
Agency feeds show the Brown Reservoir Fire burning in Montana, United States. Reported size is about 339 acres (137 hectares) and was classified as Uncontained.
Data for this incident was last refreshed 13 hours ago.
Smoke layers do not currently show a clear plume at the fire site. Nearby active fire activity includes 8 other incidents inside roughly 16 km.
Growth Trend
Agency-reported size for Brown Reservoir Fire, Montana · 4 samples. Hover a point for exact size.
Environment
Current Conditions
Current Conditions
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Smoke
Layer analysis: Regional PM2.5 forecast haze is active on the live map; point density at this fire is not classified from plume polygons.
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Nearby & Resources
Nearby Fires
View on MapRoad Closures
No full road closures reported within about 25 mi right now.
Nearby Communities
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Largest Fires in Montana
Community
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Insight
Why This Fire Matters
- One of the 10 largest active fires in Montana (currently ranked #5 among tracked incidents in this area).
- Fire has remained active for 1 day.
Technical Incident Details
| Fire Name | Brown Reservoir |
|---|---|
| Agency Fire ID | 2026-MTLG14-000590 |
| Country | United States |
| Province / State | Montana |
| Location | Custer |
| Latitude | 46.37526 |
| Longitude | -105.26778 |
| Last Updated | Jul 29, 2026, 8:51 AM PDT |
| Current Status | Uncontained |
| Tracking | Actively tracked |
| Acres Burned | 339 ac |
| Containment % | — |
| Cause | Undetermined |
| Nearby towns | Loading… |
| Discovery Date | Jul 28, 2026, 12:41 PM PDT |
| Fire Type | OUT |
| Data Source | nifc-wfigs |
Questions
Frequently asked questions
What is the current size of this fire?
The Brown Reservoir Fire is currently reported at approximately 339 acres (137 hectares).
Where is this fire located?
The Brown Reservoir Fire is located in Montana, United States at approximately 46.3753, -105.2678.
Is this fire contained?
Agencies classify this fire as Uncontained. A numeric containment percentage is not available in the current feed.
When was it discovered?
Discovery (or first listed date) is recorded as 2026-07-28.
Is smoke affecting nearby communities?
No smoke plume is currently mapped near this fire in the smoke analysis layer.
What towns are near this fire?
No nearby towns were identified within about 50 km of this incident.
How many nearby fires are active?
There are 8 other active wildfires nearby.
What are current weather conditions?
Weather observations are unavailable for this location right now.
Is this fire still actively tracked?
This fire is actively tracked (last update 13 hours ago).