Hells Canyon Fire
No longer in current feed
Madison County, Montana · Discovered August 18, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 54 days ago
Hells Canyon Fire
The Hells Canyon Fire fire has burned 45 acres in Madison County, Montana. It is no longer in the current official feed, so the figures on this page reflect the last data reported. Air quality near the fire is good (AQI 15).
Hells Canyon Fire size over time
2 official size readingsGrew from 15 to 45 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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Growth & containment history
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 8/19/2026, 2:19:51 AM | 45 acres | - |
| 8/18/2026, 10:07:41 PM | 15 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.