"The fire’s rapid early growth and subsequent containment within five days highlight effective resource deployment by the Texas Forest Service, demonstrating the agency’s capacity to manage sudden wildfire outbreaks in rural areas."
The Yellow Square wildfire in Coryell County, Texas, was first reported on August 25, 2026, and is currently contained at 100%. The fire, whose cause remains undetermined, was initially 50 acres and grew rapidly to 500 acres within the first hour before shrinking to 200 acres by 1:20 a.m. on August 26. Over the next 48 hours, containment increased steadily from 10% to 95%, with the final acreage stabilizing at 221 acres. By August 30, the incident was fully contained with minimal smoldering activity and no estimated cost reported.
Official source description: 6 Miles E from Avant, TX
Minimal; Smoldering; Isolated Torching
Current air quality readings are unavailable for this incident. Older readings are not shown as current conditions.
Check current air quality on AirNow.gov →The fire is now fully contained and poses minimal risk. General wildfire safety guidance still applies—stay away from the area until authorities confirm it is safe to return.
IRWIN ID: {06B9FE68-2D6E-4022-8CFC-2430409ECB8D}
Discovered: Aug 25, 2026
Cause: Undetermined
Managing Agency: SFS
Coordinates: 31.4738, -98.0487
Other wildfires no longer present in our filtered incident feed in TX.
The Yellow Square Fire has burned 221 acres as of August 30, 2026.
Yes, the Yellow Square Fire is fully contained (100%).
The official cause has been listed as: Undetermined.
The Yellow Square Fire is burning in Coryell, TX.
The Yellow Square Fire is no longer in our filtered incident feed. This alone does not confirm extinguishment.
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