Mustang Fire
Active
Malheur County, Oregon · Discovered August 25, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 7 min ago · Perimeter mapped 2 hours ago (NIFC WFIGS)
Mustang Fire
The Mustang Fire fire has burned 5,000 acres in Malheur County, Oregon. Crews have reached 0% containment. Air quality near the fire is good (AQI 49). 51 personnel are assigned to the incident.
Latest official update
July 28, 2026The Big Grass Fire was reported on July 23, 2026, following a lightning strike. Fuels in the area consist of brush, short grasses, and tall grasses. The fire exhibited extreme fire behavior, with rapid rates of spread in all directions when smoke lifted and winds picked up in the afternoon.Numerous residential structures, outbuildings, and associated improvements were threatened. Additional values at risk include the Wild and Scenic River corridor, North Fork Campground, Three Forks Campground, priority sage-grouse habitat, essential pronghorn habitat, grazing allotments, a Remote Automated…
Read the full update on InciWebPosted by the incident management team on InciWeb (inciweb.wildfire.gov).
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Growth & containment history
| Recorded | Size | Contained |
|---|---|---|
| 8/26/2026, 3:35:09 AM | 5,000 acres | 0% |
| 8/26/2026, 1:16:44 AM | 5,000 acres | - |
| 8/25/2026, 11:56:37 PM | 400 acres | - |
| 8/25/2026, 8:16:30 PM | 60 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.