565  
FXUS64 KBRO 291726  
AFDBRO  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1126 AM CST MON DEC 29 2025  
   
..NEW DISCUSSION, AVIATION, MARINE
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1106 AM CST MON DEC 29 2025  
 
- A STRONG COLD FRONT CAME THROUGH THIS MORNING, BRINGING COOLER  
TEMPERATURES AND NORTHERLY WINDS INTO THE AREA FOR THE NEXT FEW  
DAYS. WINDS SHOULD CALM AND BECOME LESS GUSTY TONIGHT INTO  
TOMORROW, BUT A WIND ADVISORY AND A FIRE DANGER STATEMENT ARE IN  
EFFECT UNTIL THIS EVENING.  
 
- DANGEROUS SURF CONDITIONS ARE EXPECTED TO CONTINUE INTO  
TOMORROW. A HIGH RISK OF RIP CURRENTS AND A HIGH SURF ADVISORY  
ARE IN EFFECT UNTIL 6 PM TUESDAY EVENING.  
 
- HAZARDOUS MARINE CONDITIONS ARE LIKELY THROUGH TUESDAY. A GALE  
WARNING IS IN EFFECT UNTIL 6 PM CST THIS EVENING, WITH SMALL  
CRAFT ADVISORIES EXPECTED ONCE WINDS DECREASE BELOW GALE  
CONDITIONS.  
 
- A WARMING TREND BEGINS ON WEDNESDAY WHICH WILL CONTINUE THROUGH  
THE WEEKEND.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1106 AM CST MON DEC 29 2025  
 
A STRONG COLD FRONT HAS PASSED THROUGH THE AREA THIS MORNING, WHICH  
HAS BROUGHT COOLER AND DRIER CONDITIONS TO DEEP SOUTH TEXAS AND THE  
RIO GRANDE VALLEY. ONGOING WIND SPEEDS ARE NORTHERLY AND GUSTY,  
WITH A WIND ADVISORY AND FIRE DANGER STATEMENT IN EFFECT THROUGH  
THIS EVENING. WINDS ARE EXPECTED TO DECREASE BUT REMAIN NORTHERLY  
THROUGHOUT THE EVENING INTO TONIGHT AS THE COLD FRONT MOVES FURTHER  
AND FURTHER AWAY FROM THE AREA. WINDS SHOULD REMAIN NORTHERLY  
THROUGH TUESDAY NIGHT INTO WEDNESDAY MORNING, WHICH WILL CONTINUE TO  
FUNNEL COOL, DRY AIR INTO OUR REGION. THIS, COMBINED WITH  
RADIATIONAL COOLING DUE TO CLEAR SKIES AND CALMER WINDS, WILL  
SUPPORT THE COLDEST LOW TEMPERATURES TOMORROW NIGHT, WHEN LOWS  
SHOULD GET DOWN TO THE UPPER 30S FOR THE NORTHERN RANCHLANDS AND  
THE LOWER 40S FOR THE RIO GRANDE VALLEY.  
 
HIGH TEMPERATURES TOMORROW SHOULD REMAIN COOL, WITH TEMPERATURES  
REACHING THE UPPER 50S/LOWER 60S FOR DEEP SOUTH TEXAS. ON  
WEDNESDAY, A WARMING TREND SHOULD BEGIN AS RIDGING SETTLES IN AND  
WINDS SHIFT BACK TO A SOUTH-SOUTHEASTERLY DIRECTION, WITH HIGHS  
REACHING THE UPPER 60S/LOWER 70S WEDNESDAY AND GRADUALLY WARMING  
TO THE MID 80S BY THE WEEKEND. LOWS WILL WARM TO THE UPPER  
50S/LOWER 60S BY THURSDAY NIGHT AND STAY IN THAT RANGE THROUGH THE  
WEEKEND. NO PRECIPITATION IS EXPECTED THROUGHOUT THE WEEK.  
 
THERE IS A HIGH RISK OF LIFE-THREATENING RIP CURRENTS AT AREA  
BEACHES THAT IS EXPECTED TO CONTINUE THROUGH TOMORROW DUE TO  
ELEVATED WINDS AND SURF. A HIGH SURF ADVISORY IS ALSO IN EFFECT  
UNTIL TUESDAY EVENING AS WELL.  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 1106 AM CST MON DEC 29 2025  
 
VFR CONDITIONS WITH OVERCAST SKIES AND GUSTY NORTHERLY WINDS ARE  
EXPECTED FOR ALL AIRPORTS. WINDS SHOULD SLOWLY DECREASE THROUGHOUT  
THE TAF PERIOD AND GUSTS SHOULD SUBSIDE BY 02-04Z FOR HRL AND MFE.  
DUE TO ITS PROXIMITY TO THE COAST, GUSTS MAY HANG AROUND A LITTLE  
LONGER AT BRO.  
 

 
   
MARINE
 
 
ISSUED AT 1106 AM CST MON DEC 29 2025  
 
MARINE CONDITIONS WILL BE DANGEROUS THE REMAINDER OF TODAY, AS A  
GALE WARNING REMAINS IN PLACE THROUGH 6 PM CST. ONCE WINDS DROP  
BELOW GALE CRITERIA, SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO  
CONTINUE TONIGHT THROUGH TOMORROW. CONDITIONS SHOULD THEN CONTINUE  
TO IMPROVE TO FAVORABLE BY TOMORROW NIGHT AND REMAIN FAVORABLE WITH  
LIGHT TO MODERATE WINDS AND SEAS EXPECTED THROUGH THE REMAINDER OF  
THE WEEK.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BROWNSVILLE 66 47 61 43 / 40 0 0 0  
HARLINGEN 64 43 60 40 / 20 0 0 0  
MCALLEN 61 48 62 44 / 30 0 0 0  
RIO GRANDE CITY 59 47 62 39 / 40 0 0 0  
SOUTH PADRE ISLAND 67 55 59 52 / 40 0 0 0  
BAYVIEW/PORT ISABEL 66 48 61 44 / 30 0 0 0  
 

 
   
BRO WATCHES/WARNINGS/ADVISORIES
 
 
TX...WIND ADVISORY UNTIL 6 PM CST THIS EVENING FOR TXZ248>255-351-  
353>355-451-454-455.  
 
HIGH RIP CURRENT RISK THROUGH TUESDAY AFTERNOON FOR TXZ451-454-  
455.  
 
HIGH SURF ADVISORY UNTIL 6 PM CST TUESDAY FOR TXZ451-454-455.  
 
GM...GALE WARNING UNTIL 6 PM CST THIS EVENING FOR GMZ130-132-135-150-  
155-170-175.  
 

 
 

 
 
SHORT TERM...55-MM  
LONG TERM....55-MM  
AVIATION...55-MM  
 
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