Grotto Fire
No longer in current feed
Idaho County, Idaho · Discovered July 29, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 32 days ago
Grotto Fire
The Grotto Fire fire has burned 3,856 acres in Idaho County, Idaho. It is no longer in the current official feed, so the figures on this page reflect the last data reported. Crews have fully contained the fire. Air quality near the fire is good (AQI 50). 1 personnel are assigned to the incident.
Grotto Fire size over time
13 official size readingsGrew from 443 to 3,856 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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Incident timeline
Generated automatically from official feeds the moment they change: size, containment, evacuation zones, aircraft, and incident team updates.
Containment rose to 100%
32 days ago · October 9, 2026Fire reported 100% contained
32 days ago · October 9, 2026Containment rose to 50%
49 days ago · September 22, 2026Containment rose to 20%
56 days ago · September 15, 2026New perimeter mapped at 3,856 acres (national perimeter feed)
63 days ago · September 8, 2026Grew 678 acres in 4 days to 3,849 acres
71 days ago · August 31, 2026Grew 2,009 acres in 2 days to 3,171 acres
75 days ago · August 28, 2026Grew 162 acres in 6 days to 1,162 acres
77 days ago · August 25, 2026Grew 100 acres in 6 days to 1,000 acres
83 days ago · August 19, 2026Grew 350 acres in about an hour to 900 acres
89 days ago · August 13, 2026Grew 107 acres in 2 days to 550 acres
89 days ago · August 13, 2026Fire first listed in official incident feeds at 443 acres
91 days ago · August 11, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 10/9/2026, 7:32:01 PM | 3,856 acres | 100% |
| 9/22/2026, 2:36:27 PM | 3,856 acres | 50% |
| 9/15/2026, 2:31:05 PM | 3,856 acres | 20% |
| 9/8/2026, 4:26:28 PM | 3,856 acres | 0% |
| 8/31/2026, 9:05:45 PM | 3,849 acres | 0% |
| 8/28/2026, 12:19:19 AM | 3,171 acres | 0% |
| 8/27/2026, 5:48:52 PM | 1,200 acres | 0% |
| 8/25/2026, 8:30:52 PM | 1,162 acres | 0% |
| 8/21/2026, 8:42:47 PM | 905 acres | 0% |
| 8/19/2026, 11:56:42 PM | 1,000 acres | 0% |
| 8/13/2026, 5:37:09 PM | 900 acres | 0% |
| 8/13/2026, 4:22:07 PM | 550 acres | 0% |
| 8/11/2026, 2:04:22 PM | 443 acres | 0% |
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.