Texas Moderate Heat Advisory | Effective 09/11/2026 17:51

Headline: 
Heat Advisory issued September 11 at 7:51PM CDT until September 12 at 7:00PM CDT by NWS Austin/San Antonio TX
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 11, 2026 - 5:51pm
Expires: 
September 12, 2026 - 5:00pm
Description: 
* WHAT...Temperatures up to 104 degrees and heat index values up to 110 degrees expected. * WHERE...The I-35 corridor and Coastal Plains. * WHEN...From noon to 7 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Williamson; Hays; Travis; Bastrop; Lee; Bexar; Comal; Guadalupe; Caldwell; Fayette; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca
Forcast Office: 
NWS Austin/San Antonio TX
Sender: 
w-nws.webmaster@noaa.gov