Black Bear Fire
Active
Ravalli County, Montana · Discovered August 2, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 8 days ago · Perimeter mapped 8 days ago (NIFC WFIGS)
Black Bear Fire
The Black Bear Fire fire has burned 2,126 acres in Ravalli County, Montana. Crews have reached 80% containment. It has shown no measurable growth in the last 24 hours. Air quality near the fire is good (AQI 1). 23 personnel are assigned to the incident.
Latest official update
August 3, 2026The Black Bear Fire started on 08.01.2026 due to lightning. The fire is located 15 miles east of Hamilton, MT. The fire is burning on northern aspects where there is heavy timber and southern aspects dominated by grasses and light timber. Fire behavior is exhibiting flanking, backing, and isolate torching. The fire is surrounded on three sides by burn scars from fires that occurred between 2022 and 2024 which provide natural containment features to slow the fire.OPEN:FOREST SERVICE ROAD 711 IS OPEN AS OF 915/26.FOREST SERVICE ROAD 75 IS OPEN. CLOSED:FOREST SERVICE ROAD 720 IS CLOSED.A new map…
Read the full update on InciWebPosted by the incident management team on InciWeb (inciweb.wildfire.gov).
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Incident timeline
Generated automatically from official feeds the moment they change: size, containment, evacuation zones, aircraft, and incident team updates.
Containment rose to 80%
8 days ago · September 17, 2026Containment rose to 30%
20 days ago · September 5, 2026Official update: MTBRF Nature Grove Fire
34 days ago · August 23, 2026New perimeter mapped at 2,126 acres (national perimeter feed)
36 days ago · August 20, 2026Containment rose to 20%
44 days ago · August 12, 2026Grew 136 acres in 25 hours to 2,106 acres
44 days ago · August 12, 2026Containment rose to 10%
45 days ago · August 11, 2026Grew 163 acres in 9 hours to 1,970 acres
45 days ago · August 11, 2026Fire first reported in official feeds at 1,807 acres
46 days ago · August 11, 2026Official update: MTBRF Black Bear Fire
54 days ago · August 3, 2026Official update: MTBRF Butterfly Fire
56 days ago · August 1, 2026Official update: MTBDF Moose Fire
61 days ago · July 27, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 9/17/2026, 9:24:12 PM | 2,126 acres | 80% |
| 9/5/2026, 11:55:37 PM | 2,126 acres | 30% |
| 8/20/2026, 11:47:26 PM | 2,126 acres | 22% |
| 8/19/2026, 12:02:40 AM | 2,126 acres | 21% |
| 8/17/2026, 4:26:42 PM | 2,126 acres | 20% |
| 8/13/2026, 11:07:11 PM | 2,145 acres | 20% |
| 8/12/2026, 11:57:03 PM | 2,106 acres | 20% |
| 8/11/2026, 11:25:36 PM | 1,970 acres | 10% |
| 8/11/2026, 2:04:22 PM | 1,807 acres | 0% |
Recorded by Fire Nearby each time upstream data 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.