694  
FXUS64 KBRO 121729  
AFDBRO  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1229 PM CDT SAT JUL 12 2025  
   
..NEW DISCUSSION, AVIATION, MARINE  
 
   
DISCUSSION  
 
ISSUED AT 1224 PM CDT SAT JUL 12 2025  
 
HIGH PRESSURE OVER THE GULF WILL BEGIN TO EXPAND WESTWARD AS WE HEAD  
THROUGH THE WEEKEND INTO EARLY NEXT WEEK. CHANCES FOR RAINFALL REMAIN  
UNDER 10% TODAY AND SUNDAY. MONDAY A SURFACE TROUGH WILL MOVE  
INTO CENTRAL TEXAS BRINGING A SLIGHTLY BETTER CHANCE OF RAINFALL  
(AROUND 15%) IN THE AFTERNOON ACROSS PORTIONS OF THE NORTHERN  
RANCHLANDS. OTHERWISE, HIGH PRESSURE OVER THE REGION WILL MAINTAIN  
DRY CONDITIONS OUTSIDE OF AN ISOLATED SEABREEZE SHOWER OR  
THUNDERSTORM, THOUGH CHANCES REMAIN UNDER 10%.  
 
BREEZY CONDITIONS WILL CONTINUE TO WITH GUSTS UP TO 30 MPH TODAY AND  
BETWEEN 20 AND 25 MPH FOR MUCH THE VALLEY AND ALONG THE COAST  
THROUGH NEXT WEEK.  
 
TEMPERATURES WILL REMAIN WARM THROUGH THE PERIOD WITH HIGHS IN THE  
MID TO UPPER 90S AND HEAT INDICES BETWEEN 100-110 DEGREES. HEAT RISK  
WILL REMAIN MODERATE ACROSS MUCH OF DEEP SOUTH TEXAS AND THE RIO  
GRANDE VALLEY INTO NEXT WEEK. IF SPENDING A PROLONGED PERIOD OF TIME  
OUTDOORS, REMEMBER TO PRACTICE HEAT SAFETY TO PREVENT HEAT-RELATED  
ILLNESSES.  
 
A MODERATE RISK OF RIP CURRENTS WILL PREVAIL ALONG AREA BEACHES  
THROUGH SUNDAY. BE CAREFUL IF VENTURING INTO THE WATER AND REMEMBER  
RIP CURRENTS ARE HIGHEST NEAR PIERS AND JETTIES.  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 1224 PM CDT SAT JUL 12 2025  
 
VFR CONDITIONS WILL PREVAIL AT ALL AERODROMES THROUGH THIS EVENING  
WITH WIND GUSTS TO AROUND 30 KTS. WINDS WILL BECOME LIGHTER THIS  
EVENING. LOW CLOUDS MOVE IN WITH MVFR CONDITIONS EXPECTED AFTER  
MIDNIGHT THROUGH SUNDAY MORNING AT ALL SITES.  
 
 
   
MARINE  
 
ISSUED AT 1224 PM CDT SAT JUL 12 2025  
 
AN ENHANCED PRESSURE GRADIENT ACROSS THE LOWER TEXAS COAST WILL  
MAINTAIN SMALL CRAFT CAUTION ON THE LAGUNA MADRE AND NEARSHORE GULF  
WATERS THROUGH THE WEEKEND WITH WINDS 15-20 KTS. BY MONDAY, MORE  
FAVORABLE CONDITIONS WILL RETURN WITH GENTLE TO MODERATE  
SOUTHEASTERLY WINDS AND SLIGHT MODERATE SEAS THOUGH CAUTION  
CONDITIONS ARE POSSIBLE EACH AFTERNOON, MAINLY ON THE LAGUNA  
MADRE.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
BROWNSVILLE 80 93 79 93 / 0 0 0 10  
HARLINGEN 78 96 77 95 / 0 10 0 10  
MCALLEN 80 97 80 97 / 0 10 0 10  
RIO GRANDE CITY 78 98 77 97 / 10 0 0 0  
SOUTH PADRE ISLAND 80 87 80 87 / 0 0 0 10  
BAYVIEW/PORT ISABEL 79 92 79 92 / 0 0 0 10  
 
 
   
BRO WATCHES/WARNINGS/ADVISORIES  
 
TX...NONE.  
GM...NONE.  
 
 
 
 
DISCUSSION/MARINE/AVIATION...68  
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