Red Flag Warning Issued for Deep South Texas Due to Critical Fire Weather Conditions

Alert Details

The National Weather Service in Brownsville TX has issued a Red Flag Warning for breezy winds and low relative humidity. The alert is effective immediately and remains in place until 8:00 PM CDT this evening, Wednesday, March 11, 2026. This warning indicates that critical fire weather conditions are either currently occurring or will develop shortly.

Affected Areas

The warning impacts the central and eastern counties of Deep South Texas, with the exception of the islands. Affected regions include:

• Brooks County
• Kenedy County (Inland and Coastal)
• Hidalgo County (Northern and Southern)
• Willacy County (Inland and Coastal)
• Cameron County (Inland and Coastal)

What You Should Do

Outdoor burning is strictly not recommended during this period. Residents should be aware that any fire that develops will likely catch and spread quickly due to the environmental conditions. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Expected Conditions

• Winds: Northeast winds between 10-20 mph, with gusts as high as 30 mph.
• Relative Humidity: Values as low as 15-30 percent.
• Temperatures: Mid to upper 90s.
• Drought Context: The region is experiencing an ongoing drought ranging from D2 (Severe) to D4 (Exceptional), which exacerbates the fire risk.

Timeline

The Red Flag Warning is in effect until 8:00 PM CDT this evening, March 11. Additionally, a Fire Weather Watch remains in effect from Thursday morning through Thursday evening for Brooks, Hidalgo, Kenedy, Willacy, and Cameron counties.