⚠️ Heat Advisory – Williamson; Hays; Travis; Bastrop; Lee; Bexar; Comal; Guadalupe; Caldwell; Fayette; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca – Sunday, September 13, 2026

Heat Advisory issued September 13 at 12:39AM CDT until September 13 at 7:00PM CDT by NWS Austin/San Antonio TX

Details

* WHAT…Heat index values up to 110 expected.

* WHERE…The I-35 corridor and Coastal Plains.

* WHEN…From noon today to 7 PM CDT This evening.

* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.

Instructions

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.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.