Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Austin/San Antonio, TX

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538
WWUS74 KEWX 240011
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
711 PM CDT Sun Aug 23 2026

TXZ194-208-209-223-225-250000-
/O.EXP.KEWX.XH.W.0003.000000T0000Z-260824T0000Z/
/O.CON.KEWX.HT.Y.0008.000000T0000Z-260827T0000Z/
Lee-Caldwell-Fayette-Gonzales-Lavaca-
Including the cities of Hallettsville, La Grange, Giddings, Gonzales,
and Lockhart
711 PM CDT Sun Aug 23 2026

...EXTREME HEAT WARNING HAS EXPIRED...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY...

* WHAT...Temperatures up to 105 are expected Monday through
  Wednesday.

* WHERE...Caldwell, Fayette, Gonzales, Lavaca, and Lee 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.

&&

$$

TXZ187-189-190-204-219-240115-
/O.EXP.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/
Bandera-Kendall-Blanco-Medina-Frio-
Including the cities of Bandera, Blanco, Boerne, Pearsall, and Hondo
711 PM CDT Sun Aug 23 2026

...HEAT ADVISORY HAS EXPIRED...

Temperatures this week in the eastern Hill Country will be less hot
compared to the past weekend. However, conditions will remain warm
with temperatures up to 103 through Wednesday.

$$

TXZ171>173-192-193-250000-
/O.CON.KEWX.XH.W.0003.000000T0000Z-260825T0000Z/
/O.CON.KEWX.HT.Y.0008.260825T0000Z-260827T0000Z/
Llano-Burnet-Williamson-Travis-Bastrop-
Including the cities of Burnet, Austin, Llano, Georgetown, and
Bastrop
711 PM CDT Sun Aug 23 2026

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

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

* WHERE...Bastrop, Burnet, Llano, Travis, and Williamson Counties.

* WHEN...For the Extreme Heat Warning, until 7 PM CDT Monday. For the
  Heat Advisory, from 7 PM Monday 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>222-224-250000-
/O.CON.KEWX.HT.Y.0007.000000T0000Z-260827T0000Z/
Hays-Bexar-Comal-Guadalupe-Atascosa-Wilson-Karnes-De Witt-
Including the cities of Cuero, Seguin, San Antonio, Floresville,
Karnes City, Pleasanton, San Marcos, and New Braunfels
711 PM CDT Sun Aug 23 2026

...HEAT ADVISORY REMAINS 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.

&&

$$

Tran