Yellow Square
Coryell, TX · Undetermined
This fire is no longer active. It burned 221 acres in Coryell before dropping off the national incident feed.
221
Acres Burned
77
Days Burning
Aug 25, 2026
Discovered
3w ago
Last Update
Growth
No growth in the last day, containment at 100%Public Lands Nearby
1 public land unit within 75 miles
Balcones Canyonlands National Wildlife Refuge
GoWildlife Refuge / TX
61.8 mi
S
Situation Updates
Posted by the incident management team on InciWeb, plus changes read from NIFC interagency perimeter data
Yellow Square update: 253 acres, 98% contained
Perimeter dataPer interagency perimeter data, the Yellow Square containment moved from 95% to 98%.
IRWINYellow Square Fire - Daily Update - 08-27-2026
Incident teamYellow Square Fire Daily Update August 27, 2026 10:00 a.m. Size: 253 acres Containment: 95 % Start Date: August 25, 2026 Cause: Undetermined, Under Investigation The Yellow Square Fire in Coryell County started on the afternoon of August 25, 2026 under elevated fire conditions. Texas A&M Forest Service was requested to provide assistance in the form of additional firefighters and heavy equipment a...
InciWebYellow Square update: 253 acres, 95% contained
Perimeter dataPer interagency perimeter data, the Yellow Square containment moved from 90% to 95%.
IRWINYellow Square Fire - Daily Update - 08-26-2026
Incident teamYellow Square Fire Daily Update August 26, 2026 10:15 a.m. Size: 253 acres Containment: 90 % Start Date: August 25, 2026 Cause: Undetermined, Under Investigation The Yellow Square Fire in Coryell County started on the afternoon of August 25, 2026 under elevated fire conditions. Texas A&M Forest Service was requested to provide assistance in the form of additional firefighters and heavy equipment a...
InciWebYellow Square update: 253 acres, 90% contained
Perimeter dataPer interagency perimeter data, the Yellow Square containment moved from 80% to 90%.
IRWINYellow Square update: 253 acres, 80% contained
Perimeter dataPer interagency perimeter data, the Yellow Square was remapped 17 acres lower to 253 and containment moved from 50% to 80%.
IRWINYellow Square update: 270 acres, 50% contained
Perimeter dataPer interagency perimeter data, the Yellow Square was remapped 30 acres lower to 270 and containment moved from 10% to 50%.
IRWINYellow Sqaure mapped at 300 acres, 10% contained
Perimeter dataInteragency perimeter data shows the Yellow Sqaure at 300 acres, 10% contained.
IRWINTimeline
77 days since discovery
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Data Sources
Fire data from NIFC Wildland Fire Interagency Geospatial Services (WFIGS) via IRWIN. Satellite hotspots from NASA FIRMS VIIRS. Situation updates are either posted by the incident management team on InciWeb or read by us from WFIGS perimeter data, and each one says which. Air quality data from EPA AirNow. Public lands boundaries from USGS PAD-US 4.0.
IRWIN ID: 06b9fe68-2d6e-4022-8cfc-2430409ecb8d
Important
More Than Just Parks aggregates third-party data from EPA AirNow, NOAA, NASA FIRMS, and NIFC/WFIGS. Readings can be delayed, estimated, incomplete, or wrong, and conditions on the ground change quickly. This tool is for general information only and is not a substitute for official air quality alerts, fire and evacuation orders, land manager closures, or emergency services. Verify with the managing agency and local authorities before making any travel, health, or safety decision. We make no warranty as to accuracy and accept no liability for decisions made using this information. This is not an emergency or evacuation tool. If you are near a fire, follow official evacuation orders and call 911. Terms of Service.