849
WWUS74 KBRO 180613
NPWBRO
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
113 AM CDT THU JUN 18 2026
TXZ248>255-351-353>355-181415-
/O.CON.KBRO.XH.W.0001.260618T1600Z-260619T0100Z/
ZAPATA-JIM HOGG-BROOKS-INLAND KENEDY-STARR-SOUTHERN HIDALGO-
INLAND WILLACY-INLAND CAMERON-COASTAL KENEDY-NORTHERN HIDALGO-
COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF FALFURRIAS, ZAPATA, HARLINGEN, WESLACO, RIO
GRANDE CITY, MISSION, RAYMONDVILLE, HEBBRONVILLE, ROMA, BROWNSVILLE,
MCALLEN, PORT ISABEL, LAGUNA VISTA, PORT MANSFIELD, SAN MANUEL,
EDINBURG, PHARR, AND SARITA
113 AM CDT THU JUN 18 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM CDT THIS EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 124
EXPECTED.
* WHERE...MUCH OF DEEP SOUTH TEXAS.
* WHEN...FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
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 AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
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.
STAY COOL, STAY HYDRATED, STAY INFORMED.
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