Coldwater Fire
No longer in current feed
Cassia County, Idaho · Discovered August 28, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 6 days ago
Coldwater Fire
The Coldwater Fire fire has burned 1,540 acres in Cassia 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 33). 74 personnel are assigned to the incident.
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Coldwater Fire size over time
10 official size readingsPeaked at 3,000 acres, then officials revised the mapped size to 1,540 acres.
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.
Fire reported 100% contained
20 days ago · October 21, 2026Mapped size revised down to 1,539 acres (from 1,900)
72 days ago · August 31, 2026Containment rose to 100%
72 days ago · August 30, 2026Containment rose to 85%
73 days ago · August 29, 2026Containment dropped to 70% (from 100%)
74 days ago · August 28, 2026Mapped size revised down to 1,900 acres (from 3,000)
74 days ago · August 28, 2026Grew 1,000 acres in about an hour to 3,000 acres
75 days ago · August 28, 2026Now mapped at 2,000 acres
75 days ago · August 28, 2026Fire first listed in official incident feeds
75 days ago · August 28, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 11/4/2026, 4:42:35 PM | 1,540 acres | 100% |
| 10/21/2026, 11:18:40 PM | 1,540 acres | 100% |
| 8/31/2026, 1:54:59 AM | 1,539 acres | 100% |
| 8/30/2026, 11:31:21 PM | 1,900 acres | 100% |
| 8/29/2026, 10:53:52 PM | 1,900 acres | 85% |
| 8/28/2026, 11:21:41 PM | 1,900 acres | 70% |
| 8/28/2026, 10:55:46 PM | 1,900 acres | - |
| 8/28/2026, 2:55:49 AM | 3,000 acres | - |
| 8/28/2026, 1:44:21 AM | 2,000 acres | - |
| 8/28/2026, 12:09:17 AM | 0.1 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.