238
WWUS74 KBRO 171635
NPWBRO
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1135 AM CDT WED JUN 17 2026
TXZ251>255-351-353>355-180115-
/O.NEW.KBRO.XH.A.0001.260618T1800Z-260619T0100Z/
/O.CON.KBRO.HT.Y.0002.260617T1800Z-260618T0100Z/
INLAND KENEDY-STARR-SOUTHERN HIDALGO-INLAND WILLACY-INLAND
CAMERON-COASTAL KENEDY-NORTHERN HIDALGO-COASTAL WILLACY-COASTAL
CAMERON-
INCLUDING THE CITIES OF PORT MANSFIELD, LAGUNA VISTA, SARITA,
HARLINGEN, ROMA, EDINBURG, PORT ISABEL, MCALLEN, PHARR, MISSION,
BROWNSVILLE, WESLACO, RAYMONDVILLE, RIO GRANDE CITY, AND SAN MANUEL
1135 AM CDT WED JUN 17 2026
...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...FOR THE HEAT ADVISORY, HEAT INDEX VALUES UP TO 113 EXPECTED.
FOR THE EXTREME HEAT WATCH, DANGEROUSLY HOT CONDITIONS WITH HEAT
INDEX VALUES UP TO 124 POSSIBLE.
* WHERE...COASTAL CAMERON, COASTAL KENEDY, COASTAL WILLACY, INLAND
CAMERON, INLAND KENEDY, INLAND WILLACY, NORTHERN HIDALGO, SOUTHERN
HIDALGO, AND STARR COUNTIES.
* WHEN...FOR THE HEAT ADVISORY, UNTIL 8 PM CDT THIS EVENING. FOR THE
EXTREME HEAT WATCH, FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING.
* 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 EXERCISE AND STRENUOUS ACTIVITIES TO
EARLY MORNING OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. HEAT RELATED ILLNESSES INCREASE
SIGNIFICANTLY DURING EXTREME HEAT AND HIGH HUMIDITY EVENTS.
TXZ248>250-180115-
/O.NEW.KBRO.XH.A.0001.260618T1800Z-260619T0100Z/
ZAPATA-JIM HOGG-BROOKS-
INCLUDING THE CITIES OF HEBBRONVILLE, FALFURRIAS, AND ZAPATA
1135 AM CDT WED JUN 17 2026
...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 120
POSSIBLE.
* WHERE...BROOKS, JIM HOGG, AND ZAPATA COUNTIES.
* WHEN...FROM THURSDAY AFTERNOON THROUGH THURSDAY 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.
MM
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