Chalk Mountain Fire
Active
Carbon County, Wyoming · Discovered August 26, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 4 days ago
Chalk Mountain Fire
The Chalk Mountain Fire fire has burned 124 acres in Carbon County, Wyoming. Crews have reached 91% containment. It has shown no measurable growth in the last 24 hours. Air quality near the fire is good (AQI 31). 30 personnel are assigned to the incident.
Follow the Chalk Mountain Fire from your Lock Screen
Track the Chalk Mountain Fire with a Live Activity, see size and containment change as officials report it, and get alerted if an evacuation order reaches your address.
- Lock Screen tracking
- Evacuation order alerts
- Live perimeter map
Scan with your iPhone camera
Is there a fire near me?
Enter any US or Canadian address or town for an instant risk report: nearby fires, wind, smoke, air quality, and evacuation alerts.
Incident timeline
Generated automatically from official feeds the moment they change: size, containment, evacuation zones, aircraft, and incident team updates.
Red Flag Warning in effect for the fire area
32 hours ago · October 9, 2026Red Flag Warning in effect for the fire area
33 hours ago · October 9, 2026Red Flag Warning in effect for the fire area
33 hours ago · October 9, 2026Red Flag Warning in effect for the fire area
33 hours ago · October 9, 2026Containment rose to 91%
43 days ago · August 28, 2026Containment dropped to 75% (from 91%)
44 days ago · August 27, 2026Grew 24 acres in 13 hours to 124 acres
44 days ago · August 27, 2026Grew 50 acres in 4 hours to 100 acres
45 days ago · August 27, 2026Grew 45 acres in 2 hours to 50 acres
45 days ago · August 26, 2026Fire first listed in official incident feeds at 5 acres
45 days ago · August 26, 2026
Raw growth & containment readings
| Recorded | Size | Contained |
|---|---|---|
| 8/28/2026, 10:30:56 PM | 124 acres | 91% |
| 8/27/2026, 8:27:39 PM | 124 acres | 75% |
| 8/27/2026, 2:22:21 PM | 124 acres | - |
| 8/27/2026, 1:12:47 AM | 100 acres | - |
| 8/26/2026, 9:14:48 PM | 50 acres | - |
| 8/26/2026, 7:22:52 PM | 5.0 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.