631  
FXUS64 KBRO 012315 AAA  
AFDBRO  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
615 PM CDT WED JUL 1 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1151 AM CDT WED JUL 1 2026  
 
* MAINLY RAIN-FREE AND AT TIMES BREEZY CONDITIONS WILL PREVAIL  
THROUGH NEXT WEEK; DAY-TO-DAY LOW, NON-ZERO PROBABILITY OF A ROGUE  
SEA BREEZE SHOWER OR THUNDERSTORM THROUGH FRIDAY.  
 
* PEAK HEAT INDICES BETWEEN 100-110F DEGREES WILL RESULT IN  
WIDESPREAD MODERATE (LEVEL 2 OF 4) HEAT RISK ACROSS DEEP SOUTH  
TEXAS EACH DAY.  
 
* FAVORABLE MARINE CONDITIONS CAN BE EXPECTED THROUGH NEXT WEEK  
WITH LIGHT TO MODERATE WINDS AND LOW TO MODERATE SEAS.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1151 AM CDT WED JUL 1 2026  
 
MAINLY RAIN-FREE AND AT TIMES BREEZY CONDITIONS WITH SLIGHTLY HOTTER  
THAN NORMAL TEMPERATURES WILL BE THE THEME THROUGH THE FORECAST  
PERIOD OR THROUGH EARLY NEXT WEEK. A 591-594 DAM SUB-TROPICAL HEAT  
RIDGE WILL MAIN FIXTURE DRIVING OUR HOT, DRY, AND AT TIMES BREEZY  
WEATHER PATTERN THROUGH THE FORECAST PERIOD.  
 
A DANGEROUS, RECORD-SETTING HEATWAVE IS UNFOLDING AND WILL CONTINUE  
THROUGH THIS WEEK ACROSS THE CENTRAL AND EASTERN U.S. AS THE  
AFOREMENTIONED HEAT DOME REST OVER APPALACHIA INTO THE MID-ATLANTIC.  
NEXT WEEK, THE HEAT DOME RETREATS WESTWARD OVER THE DESERT SOUTHWEST  
REGION. WITH THE HEAT RIDGE DISPLACED TO OUR NORTH, DEEP SOUTH TEXAS  
WILL BE SPARED FROM THE BRUNT OF THE HEAT WITH TEMPERATURES BEING  
AVERAGE TO SLIGHTLY ABOVE AVERAGE FOR THIS TIME OF YEAR.  
ADDITIONALLY, THIS SYNOPTIC SETUP COULD BRING A LOW, YET NON-ZERO  
PROBABILITY OF ISOLATED SEA BREEZE CONVECTION (SHOWERS AND STORMS)  
TODAY THROUGH FRIDAY.  
 
AN ENHANCED PRESSURE GRADIENT NEAR THE SFC WILL CONTINUE TO RESULT  
IN BREEZY CONDITIONS AT TIMES THROUGH THE FORECAST PERIOD.  
 
AS HIGHLIGHTED, SINCE THE HEAT RIDGE/DOME WILL NOT BE DIRECTLY  
OVERHEAD, TEMPS WILL BE SLIGHTLY HOTTER THAN NORMAL LEVELS. DAYTIME  
HIGH TEMPS WILL RANGE BETWEEN THE MID 90S CLOSE TO THE COAST TO THE  
LOWER 100S FAR WEST/INLAND EACH DAY. MEANWHILE, OVERNIGHT LOW  
TEMPERATURES WILL BE IN THE MID 70S ACROSS THE NORTHERN RANCHLANDS  
TO THE UPPER 70S/LOWER 80S ALONG THE RIO GRANDE VALLEY EACH NIGHT.  
ULTIMATELY, THIS WILL RESULT IN MAINLY MODERATE (LEVEL 2 OF 4) HEAT  
RISK ACROSS THE REGION THROUGH NEXT WEEK WITH PEAK HEAT INDICES  
RANGING BETWEEN 100-110F DEGREES.  
 

 
   
AVIATION
 
 
(00Z TAFS)  
ISSUED AT 611 PM CDT WED JUL 1 2026  
 
VFR CONDITIONS PREVAIL. GUSTY SOUTHEASTERLY WINDS DIMINISH  
OVERNIGHT, BECOMING GUSTY AGAIN TO AROUND 20 KTS LATE THURSDAY  
MORNING. AN ISOLATED SHOWER OR THUNDERSTORM IS POSSIBLE DURING THE  
AFTERNOON HOURS TODAY AND THURSDAY.  
 

 
   
MARINE
 
 
ISSUED AT 1151 AM CDT WED JUL 1 2026  
 
FAVORABLE MARINE CONDITIONS CAN BE EXPECTED THROUGH NEXT WEEKEND  
WITH LIGHT TO MODERATE WINDS AND LOW TO MODERATE SEAS.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BROWNSVILLE 79 93 79 94 / 10 20 10 20  
HARLINGEN 76 94 76 95 / 10 20 10 20  
MCALLEN 78 98 79 99 / 10 20 10 20  
RIO GRANDE CITY 76 98 77 99 / 10 10 10 20  
SOUTH PADRE ISLAND 80 87 80 87 / 10 20 10 20  
BAYVIEW/PORT ISABEL 78 90 78 91 / 10 20 10 20  
 

 
   
BRO WATCHES/WARNINGS/ADVISORIES
 
 
TX...NONE.  
GM...NONE.  

 
 

 
 
SHORT TERM...23  
LONG TERM....23  
AVIATION...69-HK  
 
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