"The Box Fire’s rapid change in reported acreage within a short time frame highlights the dynamic nature of wildfire behavior and the importance of timely monitoring. Although the fire is relatively small, the lack of containment data underscores the need for continued observation and potential resource allocation."
The Box Fire, located in Campbell County, Wyoming, was discovered on September 14, 2026, at 18:17 local time. Initial reports from the National Interagency Fire Center (NIFC) at 20:00 indicated the blaze had burned 30 acres, but by 21:00 the reported area had decreased to 19.5 acres, suggesting a reduction in fire spread or improved containment efforts. The cause remains undetermined, and no jurisdictional agency has been identified. Current fire behavior data is not available, and the incident remains active with no official containment percentage reported.
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Gillette. Source: AirNow.gov (EPA).
General wildfire safety guidance applies: stay informed through local authorities, avoid the area if possible, and be prepared to evacuate if conditions worsen.
IRWIN ID: {8F5C9637-E4E5-4A96-8EE1-7127EA32BAF9}
Discovered: Sep 14, 2026
Cause: Natural
Coordinates: 44.8592, -105.5548
Other wildfires that have recently been contained or dropped from official tracking in WY.
The Box Fire has burned 20 acres as of September 14, 2026.
The Box Fire has not yet reached any official containment.
The official cause has been listed as: Natural.
The Box Fire is burning in Campbell, WY.
Yes, as of the latest official update, the Box Fire remains active.
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