Red Flag Warning Issued for Deep South Texas Through Wednesday Night
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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The National Weather Service has issued a Red Flag Warning for Deep South Texas as critical fire weather conditions, including low humidity and breezy winds, create a high risk for rapid fire spread.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Deep South Texas
- Issued
- April 6, 2026
- Issuing authority
- NWS Brownsville TX
Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Deep South Texas.
Alert Details
The National Weather Service in Brownsville has issued a Red Flag Warning for Deep South Texas, effective until 11:00 PM CDT this evening, March 11, 2026. This alert signifies that critical fire weather conditions are currently occurring or are imminent. Additionally, a Fire Weather Watch remains in effect from Thursday morning through Thursday evening for the same region.
Affected Areas
The warning covers the following regions in Deep South Texas, excluding the islands:
- Brooks County
- Inland and Coastal Kenedy County
- Northern and Southern Hidalgo County
- Inland and Coastal Willacy County
- Inland and Coastal Cameron County
What You Should Do
Residents in the affected areas are strongly advised to avoid outdoor burning, as any fires that develop will likely catch and spread quickly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Residents should monitor local forecasts for updates and prepare for hazardous conditions.
Expected Conditions
The region is experiencing a precipitous drop in relative humidity following the passage of a dryline.
- Winds: Northwest winds at 10-20 mph with gusts reaching up to 30 mph.
- Relative Humidity: Values ranging between 15 and 30 percent.
- Temperatures: Highs in the mid to upper 90s.
- Drought Context: The area is currently experiencing ongoing drought conditions ranging from D2 (Severe) to D4 (Exceptional).
Timeline
The current Red Flag Warning is in effect until 11:00 PM CDT on Wednesday, March 11. A Fire Weather Watch is also scheduled for Thursday, March 12, from the morning through the evening, as breezy conditions and low humidity are expected to persist.
Original source: NOAA Official Notice ↗
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