Rattlesnake Complex Fire
No longer in current feed
Prairie County, Montana · Discovered September 4, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 63 days ago
Rattlesnake Complex Fire
The Rattlesnake Complex Fire fire has burned 15,582 acres in Prairie County, Montana. It is no longer in the current official feed, so the figures on this page reflect the last data reported. Crews have fully contained the fire. Air quality near the fire is good (AQI 30). 60 personnel are assigned to the incident.
Rattlesnake Complex Fire size over time
7 official size readingsGrew from 0 to 16K acres across these reports.
Acreage as reported by the official incident feed, recorded by Fire Nearby each time it changes. Hover or tap the chart for each reading.
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Incident timeline
Generated automatically from official feeds the moment they change: size, containment, evacuation zones, aircraft, and incident team updates.
Fire reported 100% contained
63 days ago · September 8, 2026Containment rose to 97%
64 days ago · September 7, 2026Containment rose to 74%
65 days ago · September 7, 2026Grew 430 acres in 26 hours to 15,611 acres
65 days ago · September 7, 2026Containment rose to 63%
66 days ago · September 5, 2026Grew 1,388 acres in 24 hours to 15,181 acres
66 days ago · September 5, 2026Containment dropped to 0% (from 100%)
67 days ago · September 5, 2026Now mapped at 13,793 acres
67 days ago · September 5, 2026Official incident page published on InciWeb: Rattlesnake Complex
67 days ago · September 4, 2026Fire first listed in official incident feeds
67 days ago · September 4, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 9/8/2026, 10:11:27 PM | 15,582 acres | 100% |
| 9/7/2026, 11:51:01 PM | 15,582 acres | 97% |
| 9/7/2026, 1:30:54 AM | 15,611 acres | 74% |
| 9/5/2026, 11:42:44 PM | 15,181 acres | 63% |
| 9/5/2026, 4:47:45 PM | 0.1 acres | 0% |
| 9/5/2026, 12:02:49 AM | 13,793 acres | 0% |
| 9/4/2026, 5:03:54 PM | 0.1 acres | - |
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.