WWUS74 KEWX 230406
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
1106 PM CDT Sat Aug 22 2026

TXZ171>173-192>194-208-209-223-225-240000-
/O.UPG.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/
/O.NEW.KEWX.XH.W.0003.260823T0406Z-260824T0000Z/
/O.NEW.KEWX.HT.Y.0008.260824T0000Z-260827T0000Z/
Llano-Burnet-Williamson-Travis-Bastrop-Lee-Caldwell-Fayette-Gonzales-
Lavaca-
Including the cities of Lockhart, Bastrop, Burnet, Austin, La Grange,
Hallettsville, Llano, Gonzales, Georgetown, and Giddings
1106 PM CDT Sat Aug 22 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 7 PM CDT SUNDAY...
...HEAT ADVISORY IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT WEDNESDAY...

* WHAT...Dangerously hot conditions with temperatures up to 107 and
  heat index values up to 110 are expected Sunday afternoon.
  Temperatures up to 105 are expected Monday through Wednesday.

* WHERE...Bastrop, Burnet, Caldwell, Fayette, Gonzales, Lavaca, Lee,
  Llano, Travis, and Williamson Counties.

* WHEN...For the Extreme Heat Warning, until 7 PM CDT Sunday. For the
  Heat Advisory, from 7 PM Sunday to 7 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. 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.

&&

$$

TXZ191-205>207-220>222-224-240000-
/O.EXT.KEWX.HT.Y.0007.000000T0000Z-260827T0000Z/
Hays-Bexar-Comal-Guadalupe-Atascosa-Wilson-Karnes-De Witt-
Including the cities of Cuero, Seguin, Karnes City, New Braunfels,
Floresville, San Marcos, San Antonio, and Pleasanton
1106 PM CDT Sat Aug 22 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY...

* WHAT...Temperatures up to 105 and heat index values up to 110
  expected.

* WHERE...Atascosa, Bexar, Comal, De Witt, Guadalupe, Hays, Karnes,
  and Wilson Counties.

* WHEN...Until 7 PM CDT Wednesday.

* 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.

&&

$$

TXZ187-189-190-204-219-240000-
/O.CON.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/
Bandera-Kendall-Blanco-Medina-Frio-
Including the cities of Hondo, Pearsall, Bandera, Boerne, and Blanco
1106 PM CDT Sat Aug 22 2026

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

* WHAT...Temperatures up to 105 and heat index values up to 107
  expected.

* WHERE...Bandera, Blanco, Frio, Kendall, and Medina Counties.

* 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.

&&

$$

Tran