162  
FXUS64 KBRO 302242 AAA  
AFDBRO  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
542 PM CDT THU OCT 30 2025  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 537 PM CDT THU OCT 30 2025  
 
- BELOW NORMAL TEMPERATURES WILL PREVAIL THROUGH THURSDAY NIGHT  
WITH NEAR NORMAL TEMPERATURES RETURNING FRIDAY AND INTO NEXT  
WEEK.  
 
- LOW TO MEDIUM (20-40%) RAIN CHANCES SATURDAY NIGHT AS A COLD  
FRONT APPROACHES THE REGION.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1230 PM CDT THU OCT 30 2025  
 
ANOTHER AFTERNOON OF FALL-LIKE TEMPERATURES AND PLENTIFUL  
SUNSHINE IS IN STORE ACROSS DEEP SOUTH TEXAS AS THE REGION REMAINS  
UNDER THE INFLUENCE OF SURFACE HIGH PRESSURE. DESPITE VERY LOW  
RELATIVE HUMIDITY AND DRY FUELS, FIRE WEATHER CONCERNS ARE LIMITED  
DUE TO WINDS REMAINING BELOW CRITICAL THRESHOLDS. WINDS WILL  
REMAIN GENERALLY AROUND OR BELOW 10 MPH, AND BECOME LIGHT AND  
VARIABLE TONIGHT. IN COMBINATION WITH CLEAR SKIES, RADIATIONAL  
COOLING PROCESSES SHOULD ALLOW FOR LOW TEMPERATURES TO FALL INTO  
THE LOW TO MID 40S ACROSS THE NORTHERN RANCHLANDS AND IN THE UPPER  
40S AND LOW 50S ALONG THE IMMEDIATE COAST AND LOWER RGV.  
 
A WARMING TREND BEGINS TOMORROW WITH HIGHS IN THE LOW 80S REGION  
WIDE AS SURFACE HIGH PRESSURE SHIFTS EAST AND SURFACE WINDS SHIFT  
TOWARDS THE EAST AND SOUTHEAST AND ALLOWS FOR A GRADUAL RETURN IN  
LOW LEVEL MOISTURE. TEMPERATURES ARE STILL EXPECTED TO RUN ABOUT  
1-5 DEGREES BELOW NORMAL FOR LATE OCTOBER. HALLOWEEN EVENING IS  
EXPECTED TO REMAIN RAIN-FREE WITH LIGHT WINDS AND TEMPERATURES IN  
THE UPPER 60S AND LOW 70S BEFORE FALLING INTO THE UPPER 50S AND  
LOW 60S LATE TONIGHT. ANOTHER COLD FRONT IS EXPECTED TO ARRIVE  
SATURDAY NIGHT AS AN UPPER LEVEL TROUGH TRANSLATES ACROSS THE  
PLAINS, WHICH WILL BRING LOW TO MEDIUM (20-40%) RAIN CHANCES  
SATURDAY NIGHT INTO SUNDAY MORNING. THERE IS STILL SOME  
UNCERTAINTY IN HOW MUCH MOISTURE RETURN WE SEE ACROSS THE REGION  
AS THE FRONT APPROACHES, WHICH MAY LIMIT THE DEVELOPMENT OF ANY  
SHOWERS OR THUNDERSTORMS. OTHERWISE, NEAR NORMAL TEMPERATURES AND  
RAIN- FREE CONDITIONS ARE EXPECTED SUNDAY THROUGH EARLY NEXT WEEK.  
 

 
   
AVIATION
 
 
(00Z TAFS)  
ISSUED AT 537 PM CDT THU OCT 30 2025  
 
VERY LIGHT WINDS AND CLEAR SKIES PREVAIL ACROSS DEEP SOUTH TEXAS  
EARLY THIS EVENING. LIGHT AND VARIABLE WINDS ARE EXPECTED TONIGHT  
INTO EARLY THURSDAY MORNING. WINDS WILL SLIGHTLY INCREASE AND  
GRADUALLY TURN TO THE EAST TO SOUTHEAST THURSDAY AFTERNOON. VFR  
CONDITIONS WILL CONTINUE FOR THE NEXT 24 HOURS.  
 

 
   
MARINE
 
 
ISSUED AT 1230 PM CDT THU OCT 30 2025  
 
GENERALLY FAVORABLE MARINE CONDITIONS WILL PREVAIL THROUGH NEXT  
WEEK WITH LOW TO MODERATE SEAS AND LIGHT TO MODERATE WINDS. A COLD  
FRONT IS EXPECTED TO ARRIVE SATURDAY NIGHT, BRINGING LOW TO MEDIUM  
(40-50%) RAIN CHANCES OVER THE GULF WATERS AND LAGUNA MADRE. BRIEF  
SMALL CRAFT EXERCISE CAUTION CONDITIONS CANNOT BE RULED OUT.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BROWNSVILLE 51 82 63 87 / 0 0 0 0  
HARLINGEN 47 83 58 89 / 0 0 0 10  
MCALLEN 49 85 62 91 / 0 0 0 0  
RIO GRANDE CITY 47 84 57 90 / 0 0 0 0  
SOUTH PADRE ISLAND 60 77 71 83 / 0 0 0 0  
BAYVIEW/PORT ISABEL 54 80 63 86 / 0 0 0 0  
 

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

 
 

 
 
SHORT TERM...22-GARCIA  
LONG TERM....22-GARCIA  
AVIATION...63-KC  
 
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