Post Fire
No longer in current feed
Las Animas County, Colorado · Discovered August 12, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 26 days ago
Post Fire
The Post Fire fire has burned 4,335 acres in Las Animas County, Colorado. 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 40). 1 personnel are assigned to the incident.
Post Fire size over time
48 official size readingsGrew from 1,000 to 4,335 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%
26 days ago · October 15, 2026Fire reported 100% contained
26 days ago · October 15, 2026Containment rose to 95%
33 days ago · October 8, 2026New perimeter mapped at 4,343 acres (national perimeter feed)
81 days ago · August 21, 2026Containment rose to 90%
82 days ago · August 20, 2026Containment rose to 80%
83 days ago · August 19, 2026Containment rose to 70%
84 days ago · August 18, 2026Containment rose to 65%
85 days ago · August 17, 2026Containment rose to 55%
85 days ago · August 17, 2026Containment rose to 45%
87 days ago · August 15, 2026Containment rose to 30%
88 days ago · August 14, 2026Grew 129 acres in 30 hours to 4,334 acres
88 days ago · August 14, 2026Containment rose to 25%
89 days ago · August 13, 2026Grew 1,778 acres in 24 hours to 4,205 acres
89 days ago · August 13, 2026Containment dropped to 0% (from 90%)
90 days ago · August 12, 2026Grew 1,427 acres in 15 hours to 2,427 acres
90 days ago · August 12, 2026Fire first listed in official incident feeds at 1,000 acres
91 days ago · August 12, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 10/15/2026, 6:16:14 PM | 4,335 acres | 100% |
| 10/8/2026, 7:03:52 PM | 4,335 acres | 95% |
| 9/3/2026, 4:39:17 PM | 4,335 acres | 90% |
| 8/20/2026, 9:42:16 PM | 4,343 acres | 90% |
| 8/19/2026, 9:48:41 PM | 4,343 acres | 80% |
| 8/18/2026, 9:20:52 PM | 4,343 acres | 70% |
| 8/17/2026, 9:22:24 PM | 4,343 acres | 65% |
| 8/17/2026, 4:26:42 PM | 4,343 acres | 55% |
| 8/15/2026, 9:26:32 PM | 4,334 acres | 45% |
| 8/14/2026, 10:08:18 PM | 4,334 acres | 30% |
| 8/14/2026, 9:53:18 PM | 4,334 acres | 25% |
| 8/13/2026, 5:02:08 PM | 4,205 acres | 25% |
| 8/13/2026, 4:17:08 PM | 4,205 acres | 0% |
| 8/12/2026, 11:57:03 PM | 2,427 acres | 0% |
| 8/12/2026, 7:22:03 PM | 2,427 acres | - |
| 8/12/2026, 7:17:03 PM | 1,000 acres | - |
| 8/12/2026, 7:17:03 PM | 2,427 acres | - |
| 8/12/2026, 7:12:03 PM | 1,000 acres | - |
| 8/12/2026, 7:12:03 PM | 2,427 acres | - |
| 8/12/2026, 7:07:03 PM | 1,000 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.