Mill Creek 4 Fire
Active
Routt County, Colorado · Discovered August 29, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 12 hours ago · Perimeter mapped 12 hours ago (NIFC WFIGS)
Mill Creek 4 Fire
The Mill Creek 4 Fire fire has burned 2.1 acres in Routt County, Colorado. Officials have not reported a containment figure yet. It has grown by about 2 acres in the last 24 hours. Air quality near the fire is good (AQI 8).
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Growth & containment history
| Recorded | Size | Contained |
|---|---|---|
| 8/30/2026, 6:45:34 PM | 2.1 acres | - |
| 8/30/2026, 5:00:21 PM | 5.7 acres | - |
| 8/29/2026, 8:54:21 PM | 0.1 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.