346  
FXUS64 KBRO 120335  
AFDBRO  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1035 PM CDT MON MAY 11 2026  
   
..NEW DISCUSSION, MARINE  
 
   
KEY MESSAGES  
 
UPDATED AT 1033 PM CDT MON MAY 11 2026  
 
KEY MESSAGES:  
 
* RAIN-FREE WEATHER CONDITIONS WITH WARMER THAN NORMAL TEMPERATURES  
CAN BE EXPECTED THROUGH NEXT WEEKEND.  
 
* HEAT RISK COULD BEGIN BUILDING NEXT WEEKEND INTO THE EARLY PARTS  
OF NEXT WEEK; WIDESPREAD MODERATE (LEVEL 2 OF 4) HEAT RISK WITH  
POCKETS OF EXTREME (LEVEL 3 OF 4) HEAT RISK IS FORECASTED.  
 
* THERE IS A LOW-MEDIUM (20-40%) CHANCE FOR SHOWERS AND  
THUNDERSTORMS DEVELOPING NEXT WEEK (MONDAY THROUGH WEDNESDAY).  
 
 
   
DISCUSSION  
 
ISSUED AT 1033 PM CDT MON MAY 11 2026  
 
RAIN-FREE WEATHER CONDITIONS ALONG WITH WARMER THAN NORMAL TEMPS  
CAN BE EXPECTED THROUGH AT LEAST NEXT WEEKEND WITH HIGH PRESSURE  
IN CONTROL, FRONTAL BOUNDARIES WELL TO OUR NORTH, AND A 588-591  
DAM HEAT RIDGE IN PLACE OVER DEEP SOUTH TEXAS. WE'LL HAVE TO KEEP  
AN EYE OUT FOR NEXT WEEK AND THE POTENTIAL FOR THE WEATHER PATTERN  
TO BECOME A BIT MORE UNSETTLED.  
 
MULTIPLE FORECAST AND AI/ML MODELS/ENSEMBLES ARE SUGGESTING AN  
INCREASE IN SHOWERS AND THUNDERSTORMS NEXT WEEK IN ASSOCIATION  
WITH AN APPROACHING OR NEARBY FRONTAL SYSTEM. CURRENTLY, WE HAVE  
LOW-MEDIUM (20-40%) CHANCES FOR SHOWERS AND THUNDERSTORMS IN THE  
MONDAY THROUGH WEDNESDAY TIMEFRAME. AGAIN, WE WILL CONTINUE TO  
MONITOR THE TRENDS ON THE CHANCE FOR THE PATTERN BECOMING A BIT  
MORE UNSETTLED NEXT WEEK. THE CLIMATE PREDICTION CENTER (CPC) HAS  
OUTLOOKED MUCH OF TEXAS INCLUDING ALL OF DEEP SOUTH TEXAS UNDER A  
MEDIUM (50-60%) CHANCE FOR A WETTER THAN NORMAL PATTERN IN IT'S  
6-10 DAY OUTLOOK WHICH COVERS MAY 17-21.  
 
AS MENTIONED EARLIER, TEMPERATURES WILL RUNE WARMER THAN NORMAL  
THROUGH THE FORECAST PERIOD. HIGH TEMPERATURES WILL GENERALLY RANGE  
BETWEEN THE UPPER 80S TO MID 90S ACROSS DEEP SOUTH TEXAS. THERE  
COULD BE A FEW UPPER 90S ACROSS THE FAR WESTERN SECTIONS OF OUR CWA  
(I.E. ZAPATA AND STARR COUNTIES). OVERNIGHT LOW TEMPERATURES WILL BE  
IN THE 60S AND 70S TONIGHT THROUGH THURSDAY NIGHT BEFORE CLIMBING  
INTO THE MID 70S TO LOWER 80S FRIDAY NIGHT THROUGH NEXT TUESDAY  
NIGHT.  
 
 
   
AVIATION  
 
(00Z TAFS)  
ISSUED AT 535 PM CDT MON MAY 11 2026  
 
THROUGH 00Z WEDNESDAY....VFR CONDITIONS ARE EXPECTED TO PREVAIL  
THROUGH THE ENTIRE 00Z TAF CYCLE.  
 
NORTH-NORTHEAST WINDS 10-15 KTS GUSTING 20-25 KTS THIS EVENING WILL  
WEAKEN WITH SPEEDS BETWEEN 5-10 KTS OUT OF THE NORTH, IF NOT  
BECOME LIGHT AND VARIABLE. NORTH-NORTHEAST WINDS 5-10 KTS WILL  
PERSIST THROUGH THE DAY ON TUESDAY.  
 
 
   
MARINE  
 
ISSUED AT 1033 PM CDT MON MAY 11 2026  
 
GENERALLY FAVORABLE MARINE CONDITIONS WILL PREVAIL THROUGH NEXT  
WEEKEND WITH LOW TO MODERATE WINDS AND SEAS. MODERATE SEAS COULD  
BEGIN DEVELOPING FRIDAY NIGHT THROUGH THE WEEKEND.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
BROWNSVILLE 73 87 70 89 / 0 0 0 0  
HARLINGEN 69 86 66 88 / 0 0 0 0  
MCALLEN 72 88 70 90 / 0 0 0 0  
RIO GRANDE CITY 71 88 69 91 / 0 0 0 0  
SOUTH PADRE ISLAND 76 81 75 82 / 0 0 0 0  
BAYVIEW/PORT ISABEL 73 84 70 86 / 0 0 0 0  
 
 
   
BRO WATCHES/WARNINGS/ADVISORIES  
 
TX...NONE.  
GM...NONE.  
 
 
 
 
SHORT TERM...23-EVBUOMA  
LONG TERM....23-EVBUOMA  
AVIATION...23-EVBUOMA  
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