weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Extreme Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
1253 PM CDT Tue May 13 2025

TXZ171>173-183>193-202>208-217>223-228-141000-
/O.NEW.KEWX.XH.W.0001.250514T1800Z-250515T0200Z/
/O.EXT.KEWX.HT.Y.0001.250513T1800Z-250514T1800Z/
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Kinney-Uvalde-Medina-
Bexar-Comal-Guadalupe-Caldwell-Maverick-Zavala-Frio-Atascosa-
Wilson-Karnes-Gonzales-Dimmit-
Including the cities of Boerne, Bastrop, Georgetown, Uvalde,
Leakey, Fredericksburg, Hondo, Pearsall, Lockhart, Del Rio,
Floresville, Eagle Pass, Gonzales, Burnet, Brackettville, San
Antonio, Rocksprings, Kerrville, Blanco, Crystal City, Austin,
Seguin, Bandera, New Braunfels, Carrizo Springs, Llano, San
Marcos, Karnes City, and Pleasanton
1253 PM CDT Tue May 13 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT WEDNESDAY...
...EXTREME HEAT WARNING IN EFFECT FROM 1 PM TO 9 PM CDT WEDNESDAY...

* WHAT...For the Heat Advisory, air temperatures near 104 degrees,
  except near 110 along the Rio Grande. For the Extreme Heat
  Warning, dangerously hot conditions with air temperatures of 105
  to 108 degrees, with near 115 degrees along the Rio Grande.

* WHERE...A portion of south central Texas.

* WHEN...For the Heat Advisory, until 1 PM CDT Wednesday. For the
  Extreme Heat Warning, from 1 PM to 9 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.

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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE