633
WWUS74 KEWX 221407
NPWEWX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
907 AM CDT WED JUL 22 2026
TXZ173-192>194-209-225-231000-
/O.UPG.KEWX.HT.Y.0003.260722T1700Z-260723T0100Z/
/O.NEW.KEWX.XH.W.0002.260722T1700Z-260723T0100Z/
/O.NEW.KEWX.HT.Y.0004.260723T0100Z-260724T0100Z/
WILLIAMSON-TRAVIS-BASTROP-LEE-FAYETTE-LAVACA-
INCLUDING THE CITIES OF LA GRANGE, HALLETTSVILLE, GIDDINGS,
GEORGETOWN, AUSTIN, AND BASTROP
907 AM CDT WED JUL 22 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING
...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM CDT
THURSDAY...
* WHAT...FOR THE EXTREME HEAT WARNING, DANGEROUSLY HOT CONDITIONS
WITH HEAT INDEX VALUES UP TO 115 EXPECTED. FOR THE HEAT ADVISORY,
HEAT INDEX VALUES UP TO 112 EXPECTED.
* WHERE...BASTROP, FAYETTE, LAVACA, LEE, TRAVIS, AND WILLIAMSON
COUNTIES.
* WHEN...FOR THE EXTREME HEAT WARNING, UNTIL 8 PM CDT THIS EVENING.
FOR THE HEAT ADVISORY, FROM 8 PM THIS EVENING TO 8 PM CDT THURSDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS. HOT TEMPERATURES AND HIGH
HUMIDITY MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...OVERNIGHT TEMPERATURES WILL STAY IN THE 80S
PROMPTING A HEAT ADVISORY TO REMAIN IN EFFECT THROUGH THE
OVERNIGHT HOURS.
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.
DO NOT LEAVE YOUNG CHILDREN OR PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
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.
TXZ186>190-203-218-228-231000-
/O.EXB.KEWX.HT.Y.0003.260722T1700Z-260724T0100Z/
KERR-BANDERA-GILLESPIE-KENDALL-BLANCO-UVALDE-ZAVALA-DIMMIT-
INCLUDING THE CITIES OF CARRIZO SPRINGS, KERRVILLE, UVALDE,
CRYSTAL CITY, FREDERICKSBURG, BLANCO, BOERNE, AND BANDERA
907 AM CDT WED JUL 22 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THURSDAY
* WHAT...HEAT INDEX VALUES UP TO 112 EXPECTED.
* WHERE...BANDERA, BLANCO, DIMMIT, GILLESPIE, KENDALL, KERR, UVALDE,
AND ZAVALA COUNTIES.
* WHEN...UNTIL 8 PM CDT THURSDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
* ADDITIONAL DETAILS...OVERNIGHT TEMPERATURES WILL STAY IN THE 80S
PROMPTING A HEAT ADVISORY TO REMAIN IN EFFECT THROUGH THE
OVERNIGHT HOURS.
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.
TXZ171-172-191-204>208-219>224-231000-
/O.EXT.KEWX.HT.Y.0003.260722T1700Z-260724T0100Z/
LLANO-BURNET-HAYS-MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FRIO-
ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-
INCLUDING THE CITIES OF PEARSALL, PLEASANTON, GONZALES, CUERO,
KARNES CITY, SAN ANTONIO, LLANO, FLORESVILLE, SEGUIN, SAN MARCOS,
NEW BRAUNFELS, HONDO, LOCKHART, AND BURNET
907 AM CDT WED JUL 22 2026
..HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT THURSDAY
* WHAT...HEAT INDEX VALUES UP TO 112 EXPECTED.
* WHERE...THE HILL COUNTRY, I-35 CORRIDOR, COASTAL PLAINS, AND
PORTIONS OF THE RIO GRANDE PLAINS.
* WHEN...UNTIL 8 PM CDT THURSDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
* ADDITIONAL DETAILS...OVERNIGHT TEMPERATURES WILL STAY IN THE 80S
PROMPTING A HEAT ADVISORY TO REMAIN IN EFFECT THROUGH THE
OVERNIGHT HOURS.
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.
MM
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