Texas Moderate Heat Advisory | Effective 06/19/2026 03:15

Headline: 
Heat Advisory issued June 19 at 5:15AM CDT until June 19 at 8:00PM CDT by NWS Austin/San Antonio TX
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
June 19, 2026 - 3:15am
Expires: 
June 19, 2026 - 6:00pm
Description: 
* WHAT...Heat index values of 108 to 112 expected. * WHERE...Much of south central Texas. * WHEN...From noon today to 8 PM CDT this evening. * 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; Val Verde; Hays; Travis; Bastrop; Lee; Kinney; Uvalde; Medina; Bexar; Comal; Guadalupe; Caldwell; Fayette; Maverick; Zavala; Frio; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca; Dimmit
Forcast Office: 
NWS Austin/San Antonio TX