158  
FXUS64 KBRO 250351  
AFDBRO  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1051 PM CDT SUN MAY 24 2026  
   
..NEW DISCUSSION, MARINE  
 
   
KEY MESSAGES  
 
UPDATED AT 1048 PM CDT SUN MAY 24 2026  
 
KEY MESSAGES:  
 
- RAIN CHANCES ARE FORECAST TO INCREASE AGAIN TUESDAY AND  
WEDNESDAY AS THE NEXT SYSTEM MOVES INTO THE AREA.  
 
- TEMPERATURES WILL INCREASE THROUGH THE WEEK WITH MOST OF THE  
REGION IN THE MID TO UPPER 90S BY LATE WEEK.  
 
- A MODERATE RISK OF RIP CURRENTS CONTINUES INTO MONDAY.  
 
 
   
DISCUSSION  
 
ISSUED AT 1048 PM CDT SUN MAY 24 2026  
 
DRIER WEATHER IS FORECAST FOR THE AREA MONDAY, WITH RAIN CHANCES  
GENERALLY REMAINING BELOW 10% WITH MOSTLY SUNNY SKIES. SOME  
SHOWERS AND THUNDERSTORMS MAY DEVELOP OVER MEXICO MONDAY  
AFTERNOON, HOWEVER MOST GUIDANCE KEEPS THE DEVELOPMENT SOUTH OF  
THE AREA, WHERE BETTER INSTABILITY AND FORCING ARE LIKELY.  
 
RAIN CHANCES ARE FORECAST TO INCREASE AGAIN TUESDAY AND WEDNESDAY  
AS AN UPPER LEVEL TROUGH MOVES INTO WEST TEXAS. PWAT VALUES ARE  
FORECAST TO INCREASE ABOVE 2 INCHES AGAIN TUESDAY AND WEDNESDAY,  
WHICH COULD SUPPORT HEAVY RAINFALL ACROSS PORTIONS OF THE CWA.  
GIVEN THE ANTECEDENT SOIL MOISTURE FROM RECENT RAINFALL, SOME  
ISOLATED TO SCATTERED SLASH FLOODING WILL BE POSSIBLE WITH THESE  
STORMS. THE WEATHER PREDICTION CENTER HAS A MARGINAL RISK OF  
EXCESSIVE RAINFALL FOR THE NORTHWESTERN HALF OF THE CWA TUESDAY  
AND THE EASTERN HALF OF THE CWA WEDNESDAY. SOME OF THESE  
THUNDERSTORMS STORMS MAY BE STRONG TO SEVERE TUESDAY AS THEY  
APPROACH DEEP SOUTH TEXAS, AND THE STORM PREDICTION CENTER HAS  
ZAPATA COUNTY UNDER A MARGINAL RISK FOR SEVERE WEATHER.  
 
DRIER CONDITIONS LOOK TO RETURN AGAIN THURSDAY AND FRIDAY, THOUGH  
SOME ISOLATED SHOWERS OR THUNDERSTORMS ALONG THE SEA BREEZE CAN’T  
BE RULED OUT THURSDAY AFTERNOON.  
 
 
   
AVIATION  
 
(00Z TAFS)  
ISSUED AT 645 PM CDT SUN MAY 24 2026  
 
PREDOMINANTLY VFR CONDITIONS ARE FORECAST TO CONTINUE THROUGH THE  
PERIOD, THOUGH BRIEF MVFR CEILINGS MAY DEVELOP OVERNIGHT. WINDS  
ARE FORECAST TO BECOME LIGHT AND VARIABLE TO CALM OVERNIGHT, WITH  
EASTERLY TO NORTHEASTERLY WINDS RETURNING AFTER SUNRISE.  
 
 
   
MARINE  
 
ISSUED AT 1048 PM CDT SUN MAY 24 2026  
 
GENERALLY FAVORABLE MARINE CONDITIONS ARE FORECAST TO CONTINUE  
THROUGH MUCH OF THE PERIOD, THOUGH SMALL CRAFT SHOULD EXERCISE  
CAUTION HEADLINES MAY BE NEEDED TUESDAY AND WEDNESDAY WITH WIND  
SPEEDS INCREASING TO 15 TO 20 KNOTS. THERE IS A 50-70% CHANCE FOR  
SHOWERS AND THUNDERSTORMS OVER THE COASTAL WATERS TUESDAY NIGHT  
INTO WEDNESDAY. OTHERWISE LIGHT TO MODERATE WINDS AND SLIGHT TO  
MODERATE SEAS ARE FORECAST TO CONTINUE.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
BROWNSVILLE 75 89 76 91 / 10 20 0 10  
HARLINGEN 71 88 72 91 / 10 10 0 20  
MCALLEN 73 90 75 92 / 10 10 0 10  
RIO GRANDE CITY 71 91 73 92 / 10 10 10 10  
SOUTH PADRE ISLAND 78 83 79 85 / 10 10 0 10  
BAYVIEW/PORT ISABEL 75 86 75 89 / 10 10 0 10  
 
 
   
BRO WATCHES/WARNINGS/ADVISORIES  
 
TX...NONE.  
GM...NONE.  
 
 
 
 
SHORT TERM...60-BE  
LONG TERM....60-BE  
AVIATION...60  
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