Heat Advisory

Locations Affected

San Antonio, TX ∙ Austin, TX ∙ Round Rock, TX ∙ New Braunfels, TX ∙ Pflugerville, TX ∙ Cedar Park, TX ∙ Georgetown, TX ∙ San Marcos, TX ∙ Plum, TX ∙ Lytle, TX

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1219 PM CDT Sun Sep 13 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM CDT MONDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 111. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...The I-35 corridor and Coastal Plains. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.

---