Texas Moderate Heat Advisory | Effective 06/18/2026 00:29

Headline: 
Heat Advisory issued June 18 at 2:29AM CDT until June 18 at 8:00PM CDT by NWS Austin/San Antonio TX
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
June 18, 2026 - 12:29am
Expires: 
June 18, 2026 - 6:00pm
Description: 
* WHAT...Heat index values from 108-112 expected. * WHERE...A portion 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. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Area Description: 
Llano; Burnet; Val Verde; Edwards; Real; Kerr; Bandera; Gillespie; Kendall; Blanco; Kinney
Forcast Office: 
NWS Austin/San Antonio TX