Headline:
Heat Advisory issued August 21 at 1:48PM CDT until August 23 at 7:00PM CDT by NWS Austin/San Antonio TX
Event:
Heat Advisory
Urgency:
Expected
Effective:
August 21, 2026 - 11:48am
Expires:
August 22, 2026 - 3:00am
Description:
* WHAT...Heat index values up to 109.
* WHERE...The northern Hill Country, I-35 Corridor, and Coastal
Plains.
* WHEN...Until 7 PM CDT Sunday.
* 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; Williamson; Hays; Travis; Bastrop; Lee; Bexar; Comal; Guadalupe; Caldwell; Fayette; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca
Forcast Office:
NWS Austin/San Antonio TX
Sender:
w-nws.webmaster@noaa.gov