384
WWUS74 KEWX 211848
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
148 PM CDT Fri Aug 21 2026

TXZ171>173-191>194-205>209-220>225-221000-
/O.CON.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/
Llano-Burnet-Williamson-Hays-Travis-Bastrop-Lee-Bexar-Comal-
Guadalupe-Caldwell-Fayette-Atascosa-Wilson-Karnes-Gonzales-DeWitt-
Lavaca-
Including the cities of Cuero, Lockhart, Austin, San Antonio,
Gonzales, Llano, Seguin, Giddings, Hallettsville, Pleasanton, New
Braunfels, Georgetown, La Grange, Floresville, San Marcos, Bastrop,
Burnet, and Karnes City
148 PM CDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY...

* 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.

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.

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.

&&

$$

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