River Bluff
Atascosa, TX ยท Undetermined
This fire is no longer active. It burned 431 acres in Atascosa before dropping off the national incident feed.
431
Acres Burned
71
Days Burning
Aug 31, 2026
Discovered
3w ago
Last Update
Growth
Grew 356 acres in the last daySituation Updates
Posted by the incident management team on InciWeb, plus changes read from NIFC interagency perimeter data
River Bluff update: 431 acres, 80% contained
Perimeter dataPer interagency perimeter data, the River Bluff grew 81 acres to 431 and containment moved from 60% to 80%.
IRWINRiver Bluff update: 350 acres, 60% contained
Perimeter dataPer interagency perimeter data, the River Bluff grew 50 acres to 350 and containment moved from 45% to 60%.
IRWINRiver Bluff update: 300 acres, 45% contained
Perimeter dataPer interagency perimeter data, the River Bluff containment moved from 40% to 45%.
IRWINRiver Bluff update: 300 acres, 40% contained
Perimeter dataPer interagency perimeter data, the River Bluff containment moved from 30% to 40%.
IRWINRiver Bluff Fire Daily Update, September 1, 09-01-2026
Incident teamRiver Bluff Fire Daily Update September 1, 2026 9:00 a.m. Size: 300 acres Containment: 30% Cause: under investigation In the late afternoon on Monday, August 31, volunteer fire departments requested Texas A&M Forest Service assistance with a wildfire near Lytle, Texas in Atascosa County. Texas A&M Forest Service personnel worked in unified command with the fire departments. The Fire exhibited mode...
InciWebRiver Bluff update: 300 acres, 30% contained
Perimeter dataPer interagency perimeter data, the River Bluff containment moved from 10% to 30%.
IRWINRiver Bluff update: 300 acres, 10% contained
Perimeter dataPer interagency perimeter data, the River Bluff grew 225 acres to 300 and containment moved from 0% to 10%.
IRWINRiver Bluff update: 75 acres, 0% contained
Perimeter dataPer interagency perimeter data, the River Bluff was remapped 25 acres lower to 75.
IRWINRiver Bluff mapped at 100 acres, 0% contained
Perimeter dataInteragency perimeter data shows the River Bluff at 100 acres, 0% contained.
IRWINTimeline
71 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: d80805d2-6484-488d-9164-19c9c102ca00
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.