Red Flag Warning

Locations Affected

San Antonio, TX ∙ New Braunfels, TX ∙ Hobson, TX ∙ Carrizo Hill, TX ∙ La Pryor, TX ∙ Devine, TX ∙ San Antonio South Division, TX ∙ Selma, TX ∙ Knippa, TX ∙ Waring, TX

Headline

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED WEDNESDAY...
.A strong cold front will arrive this afternoon, resulting in breezy to windy conditions and low relative humidities on Wednesday. Conditions will be favorable for critical fire danger across areas along and south of Interstate 10, along US Highway 57, and Coastal Plains mid Wednesday morning through late Wednesday afternoon.

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1209 PM CDT Tue Oct 28 2025 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED WEDNESDAY... .A strong cold front will arrive this afternoon, resulting in breezy to windy conditions and low relative humidities on Wednesday. Conditions will be favorable for critical fire danger across areas along and south of Interstate 10, along US Highway 57, and Coastal Plains mid Wednesday morning through late Wednesday afternoon. ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR AREAS ALONG AND SOUTH OF INTERSTATE 10, ALONG US HIGHWAY 57, AND COASTAL PLAINS... The National Weather Service in Austin/San Antonio has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 7 PM CDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Areas along and south of Interstate 10, along US Highway 57, and Coastal Plains. * TIMING...From 10 AM to 7 PM CDT Wednesday. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fires that develop could rapidly increase in size and intensity, move quickly, and be very difficult to control. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

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