Weiser Knoll Fire
No longer in current feed
Fremont County, Wyoming · Discovered August 9, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 5 days ago
Weiser Knoll Fire
The Weiser Knoll Fire fire has burned 15,817 acres in Fremont County, Wyoming. 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 39). 14 personnel are assigned to the incident.
Weiser Knoll Fire size over time
7 official size readingsPeaked at 17K acres, then officials revised the mapped size to 16K 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
15 days ago · October 26, 2026Containment rose to 100%
79 days ago · August 23, 2026Mapped size revised down to 15,817 acres (from 16,531)
88 days ago · August 14, 2026Containment rose to 95%
89 days ago · August 13, 2026Containment rose to 51%
90 days ago · August 12, 2026Containment rose to 30%
91 days ago · August 12, 2026Grew 3,181 acres in 10 hours to 16,531 acres
91 days ago · August 12, 2026Fire first listed in official incident feeds at 13,350 acres
91 days ago · August 11, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 8/23/2026, 12:15:31 PM | 15,817 acres | 100% |
| 8/14/2026, 3:38:15 PM | 15,817 acres | 95% |
| 8/13/2026, 8:02:09 PM | 16,531 acres | 95% |
| 8/12/2026, 9:52:07 PM | 16,531 acres | 51% |
| 8/12/2026, 3:37:02 PM | 13,350 acres | 30% |
| 8/12/2026, 12:05:36 AM | 16,531 acres | 30% |
| 8/11/2026, 2:04:22 PM | 13,350 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.