"The fire’s rapid containment—reaching 100% within a week—demonstrates effective suppression efforts, while its modest growth highlights the importance of early detection and swift response in preventing larger outbreaks."
The Mule Deer wildfire, located in Upshur County, Texas, was first discovered on August 14, 2026, and was declared inactive on August 29, 2026. The incident, caused by other causes and managed by the SFS jurisdictional agency, initially burned 43 acres and was 100% contained by August 20. Over the next weeks the fire grew modestly to 45 acres by September 3, remaining fully contained. On September 4 the fire behavior shifted to moderate, with containment dropping to 20% before climbing to 80% and finally reaching 100% containment at 50 acres by 2:00 AM.
Moderate
Moderate air quality. Unusually sensitive individuals should consider reducing prolonged outdoor exertion.
Nearest reporting station: Tyler-Longview-Marshall. Source: AirNow.gov (EPA).
The current moderate fire behavior and full containment status mean general wildfire safety guidance applies; remain aware of local advisories and avoid unnecessary exposure to the area.
IRWIN ID: {975DC1B7-CDC6-4B1F-8366-DD06060FCE70}
Discovered: Aug 14, 2026
Cause: Other causes
Managing Agency: SFS
Coordinates: 32.8482, -94.969
Other wildfires that have recently been contained or dropped from official tracking in TX.
The Mule Deer Fire has burned 50 acres as of September 4, 2026.
Yes, the Mule Deer Fire is fully contained (100%).
The official cause has been listed as: Other causes.
The Mule Deer Fire is burning in Upshur, TX.
Yes, as of the latest official update, the Mule Deer Fire remains active.
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