Cooper Fire
Active
Idaho County, Idaho · Discovered August 25, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 7 days ago
Cooper Fire
The Cooper Fire fire has burned 354 acres in Idaho County, Idaho. Crews have fully contained the fire. It has shown no measurable growth in the last 24 hours. Air quality near the fire is good (AQI 0). 1 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.
Mapped size revised down to 176 acres (from 354)
17 days ago · September 22, 2026Fire reported 100% contained
22 days ago · September 18, 2026Containment rose to 100%
22 days ago · September 17, 2026Grew 178 acres in 11 days to 354 acres
23 days ago · September 16, 2026New perimeter mapped at 354 acres (national perimeter feed)
25 days ago · September 14, 2026New perimeter mapped at 74 acres (national perimeter feed)
29 days ago · September 10, 2026Mapped size revised down to 176 acres (from 310)
34 days ago · September 5, 2026Grew 134 acres in 27 hours to 310 acres
36 days ago · September 4, 2026Mapped size revised down to 176 acres (from 310)
37 days ago · September 2, 2026Grew 134 acres in 4 days to 310 acres
39 days ago · August 31, 2026Grew 175 acres in 2 days to 176 acres
43 days ago · August 27, 2026Containment dropped to 0% (from 100%)
45 days ago · August 26, 2026Fire first listed in official incident feeds at 1 acres
45 days ago · August 25, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 9/22/2026, 3:11:22 PM | 354 acres | 100% |
| 9/22/2026, 3:06:25 PM | 176 acres | 100% |
| 9/17/2026, 11:04:41 PM | 354 acres | 100% |
| 9/16/2026, 5:31:16 PM | 354 acres | 0% |
| 9/12/2026, 8:11:49 PM | 176 acres | 0% |
| 9/5/2026, 10:37:44 PM | 310 acres | 0% |
| 9/5/2026, 2:07:47 PM | 176 acres | 0% |
| 9/4/2026, 12:54:20 AM | 310 acres | 0% |
| 9/2/2026, 10:00:44 PM | 176 acres | 0% |
| 8/31/2026, 7:50:34 PM | 310 acres | 0% |
| 8/27/2026, 11:53:46 PM | 176 acres | 0% |
| 8/26/2026, 12:31:45 AM | 1.0 acres | 0% |
| 8/25/2026, 9:45:58 PM | 1.0 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.