Texas Moderate Heat Advisory | Effective 07/27/2026 09:46

Headline: 
Heat Advisory issued July 27 at 11:46AM CDT until July 28 at 7:00PM CDT by NWS Austin/San Antonio TX
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 27, 2026 - 9:46am
Expires: 
July 28, 2026 - 3:15am
Description: 
* WHAT...Heat index values from 108 to 111 expected. * WHERE...The Coastal Plains and portions of the Rio Grande Plains. * WHEN...From noon to 7 PM CDT Tuesday. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Area Description: 
Fayette; Maverick; Zavala; Frio; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca; Dimmit
Forcast Office: 
NWS Austin/San Antonio TX