856   
FXUS64 KBRO 311112 AAB  
AFDBRO  
  
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
612 AM CDT FRI OCT 31 2025  
   
..NEW AVIATION  
  
   
KEY MESSAGES  
  
UPDATED AT 610 AM CDT FRI OCT 31 2025  
  
- BELOW NORMAL TEMPERATURES WILL PREVAIL THROUGH THURSDAY NIGHT  
  WITH NEAR TO SLIGHTLY ABOVE 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 1028 PM CDT THU OCT 30 2025  
  
SURFACE HIGH PRESSURE WILL CONTINUE ACROSS THE REGION TONIGHT.   
ANOTHER COOL NIGHT IS EXPECTED TONIGHT WITH LOWS IN THE LOW TO MID   
40S ACROSS THE NORTHERN RANCHLANDS TO THE UPPER 40 AND LOWER 50S IN   
THE POPULATED PORTIONS OF THE RIO GRANDE VALLEY.   
  
SURFACE HIGH PRESSURE SLIDES FARTHER EASTWARD BY FRIDAY ALLOWING A   
SOUTHEAST WINDS TO RETURN AND A WARMING TREND TO START AND   
CONTINUE INTO THE SATURDAY. HIGHS ON FRIDAY WILL REACH THE LOW TO  
MID 80S WITH WARMER TEMPERATURES ON SATURDAY. THERE IS A LOW TO   
MEDIUM (20 TO 40 PERCENT) CHANCE OF SHOWERS AND THUNDERSTORMS   
SATURDAY NIGHT AS MOISTURE INCREASES AHEAD OF THE NEXT COLD FRONT.  
THE BEST RAIN CHANCES WILL BE THE NEAR COAST AND OVER THE GULF   
WATERS. NEAR TO SLIGHTLY ABOVE NORMAL TEMPERATURES AND RAIN-FREE   
CONDITIONS ARE EXPECTED SUNDAY NIGHT INTO EARLY NEXT WEEK.  
  
  
   
AVIATION  
  
(12Z TAFS)  
ISSUED AT 610 AM CDT FRI OCT 31 2025  
  
VFR CONDITIONS AND CLEAR SKIES ARE EXPECTED TO PREVAIL FOR ALL   
SITES THROUGH THE 12Z CYCLE. LIGHT AND VARIABLE WIND THIS MORNING  
WILL GRADUALLY PICK UP, PRIMARILY FROM THE EAST, SHIFTING TO   
SOUTH-SOUTHEAST INTO THE AFTERNOON.  
  
  
   
MARINE  
  
ISSUED AT 1028 PM CDT THU OCT 30 2025  
  
FAVORABLE CONDITIONS WILL CONTINUE THROUGH MUCH OF THE PERIOD.   
HOWEVER, ELEVATED WINDS AND SEAS ARE EXPECTED TO DEVELOP LATE IN THE   
WEEKEND WITH THE APPROACH AND PASSAGE OF THE NEXT COLD FRONT. SMALL   
CRAFT EXERCISE CAUTION CONDITIONS WILL LIKELY BE NEEDED SATURDAY   
NIGHT INTO LATE SUNDAY. THERE IS A MEDIUM (40 TO 60 PERCENT) CHANCE   
OF SHOWERS AND THUNDERSTORMS SATURDAY NIGHT WITH THE APPROACHING    
COLD FRONT.   
  
  
   
PRELIMINARY POINT TEMPS/POPS  
  
BROWNSVILLE             81  64  87  67 /   0   0   0  40   
HARLINGEN               82  57  89  62 /   0   0  10  40   
MCALLEN                 84  62  91  65 /   0   0   0  20   
RIO GRANDE CITY         83  56  90  61 /   0   0   0  20   
SOUTH PADRE ISLAND      78  71  83  73 /   0   0   0  50   
BAYVIEW/PORT ISABEL     79  63  86  67 /   0   0   0  50   
  
  
   
BRO WATCHES/WARNINGS/ADVISORIES  
  
TX...NONE.  
GM...NONE.  
  
  
  
  
SHORT TERM...63-KC  
LONG TERM....63-KC  
AVIATION...69-HK  
 
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