613
WWUS74 KHGX 201800
NPWHGX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
100 PM CDT MON JUL 20 2026
TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338-
436>439-211200-
/O.NEW.KHGX.HT.Y.0004.260721T1600Z-260722T0100Z/
HOUSTON-TRINITY-MADISON-WALKER-SAN JACINTO-POLK-BURLESON-BRAZOS-
WASHINGTON-GRIMES-MONTGOMERY-NORTHERN LIBERTY-COLORADO-AUSTIN-
WALLER-INLAND HARRIS-CHAMBERS-WHARTON-FORT BEND-INLAND JACKSON-
INLAND MATAGORDA-INLAND BRAZORIA-INLAND GALVESTON-SOUTHERN
LIBERTY-COASTAL HARRIS-COASTAL JACKSON-COASTAL MATAGORDA-COASTAL
BRAZORIA-COASTAL GALVESTON-MATAGORDA ISLANDS-BRAZORIA ISLANDS-
GALVESTON ISLAND-BOLIVAR PENINSULA-
INCLUDING THE CITIES OF GROVETON, CORRIGAN, MADISONVILLE,
PEARLAND, STOWELL, WINNIE, MISSION BEND, LIBERTY, THE WOODLANDS,
LA MARQUE, ALVIN, COLUMBUS, DAYTON, PASADENA, SUGAR LAND, EDNA,
BAYTOWN, WALLER, BROOKSHIRE, SURFSIDE BEACH, CONROE, CLEVELAND,
ROSENBERG, ANAHUAC, COLLEGE STATION, EL CAMPO, DICKINSON, EAGLE
LAKE, BAY CITY, HOUSTON, COLDSPRING, FIRST COLONY, PALACIOS,
GANADO, PECAN GROVE, LEAGUE CITY, OLD RIVER-WINFREE, PRAIRIE
VIEW, LAKE JACKSON, SHEPHERD, WHARTON, HEMPSTEAD, WEIMAR, DEVERS,
MISSOURI CITY, FREEPORT, TEXAS CITY, TRINITY, BRYAN, CALDWELL,
SOMERVILLE, NAVASOTA, FRIENDSWOOD, MONT BELVIEU, ANGLETON,
GALVESTON, SEALY, CLUTE, BELLVILLE, BRENHAM, LIVINGSTON,
CROCKETT, AND HUNTSVILLE
100 PM CDT MON JUL 20 2026
..HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY
* WHAT...HEAT INDEX VALUES UP TO 108 EXPECTED.
* WHERE...PORTIONS OF SOUTH CENTRAL AND SOUTHEAST TEXAS.
* WHEN...FROM 11 AM TO 8 PM CDT TUESDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY WILL INCREASE THE
RISK FOR HEAT-RELATED ILLNESSES TO OCCUR, PARTICULARLY FOR THOSE
WORKING OR PARTICIPATING IN OUTDOOR ACTIVITIES.
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.
JM
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