Ptarmigan Fire
Active
Okanogan County, Washington · Discovered July 17, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 11 days ago · Perimeter mapped 11 days ago (NIFC WFIGS)
Ptarmigan Fire
The Ptarmigan Fire fire has burned 25,166 acres in Okanogan County, Washington. Crews have reached 73% containment. It has shown no measurable growth in the last 24 hours. Wind at the fire is blowing 4 mph toward the NE, with gusts to 10 mph. Air quality near the fire is good (AQI 35). 2 personnel are assigned to the incident.
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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 73%
23 days ago · September 3, 2026Grew 384 acres in 9 days to 25,104 acres
27 days ago · August 30, 2026Grew 449 acres in 25 hours to 24,720 acres
36 days ago · August 21, 2026Mapped size revised down to 24,271 acres (from 24,647)
37 days ago · August 20, 2026Grew 131 acres in 3 days to 24,647 acres
39 days ago · August 18, 2026Containment rose to 55%
39 days ago · August 17, 2026Containment rose to 40%
41 days ago · August 16, 2026Containment rose to 26%
42 days ago · August 15, 2026Grew 459 acres in 47 hours to 24,516 acres
42 days ago · August 15, 2026Containment rose to 13%
44 days ago · August 13, 2026Grew 312 acres in 25 hours to 24,057 acres
44 days ago · August 13, 2026Grew 278 acres in 10 hours to 23,745 acres
45 days ago · August 12, 2026Fire first reported in official feeds at 23,467 acres
46 days ago · August 11, 2026Official update: WAOWF Ptarmigan Fire
62 days ago · July 26, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 9/3/2026, 12:44:53 AM | 25,166 acres | 73% |
| 8/30/2026, 10:23:42 PM | 25,166 acres | 55% |
| 8/30/2026, 12:06:36 AM | 25,104 acres | 55% |
| 8/22/2026, 2:29:24 AM | 24,770 acres | 55% |
| 8/21/2026, 12:53:53 AM | 24,720 acres | 55% |
| 8/20/2026, 12:01:30 AM | 24,271 acres | 55% |
| 8/18/2026, 12:54:15 AM | 24,647 acres | 55% |
| 8/17/2026, 4:26:42 PM | 24,516 acres | 55% |
| 8/16/2026, 2:11:32 AM | 24,516 acres | 40% |
| 8/15/2026, 12:48:58 AM | 24,516 acres | 26% |
| 8/13/2026, 1:32:03 AM | 24,057 acres | 13% |
| 8/12/2026, 12:19:39 AM | 23,745 acres | 8% |
| 8/11/2026, 2:04:22 PM | 23,467 acres | 8% |
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.