162
FXUS64 KBRO 300530
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1230 AM CDT THU APR 30 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 1230 AM CDT THU APR 30 2026
KEY MESSAGES:
- MAINLY RAIN-FREE AND WARMER THAN NORMAL CONDITIONS WILL PREVAIL
THROUGH THE MIDDLE PARTS OF NEXT WEEK.
- THERE IS A LOW-MEDIUM (20-60%) CHANCE FOR SHOWERS AND
THUNDERSTORMS ALONG A COLD FRONT FRIDAY INTO SATURDAY.
- COOLER THAN NORMAL TEMPERATURES ARE EXPECTED OVER THE WEEKEND.
- HAZARDOUS MARINE AND COASTAL CONDITIONS ARE LIKELY FRIDAY
EVENING THROUGH SATURDAY NIGHT/SUNDAY.
DISCUSSION
ISSUED AT 849 PM CDT WED APR 29 2026
RAIN-FREE WEATHER CONDITIONS AND WARMER THAN NORMAL TEMPERATURES
WILL PREVAIL THROUGH MUCH OF THE FORECAST PERIOD, COURTESY OF HIGH
PRESSURE AND A ZONAL FLOW ALOFT PATTERN LARGELY IN PLACE. SHOWERS
AND THUNDERSTORMS ARE POSSIBLE FRIDAY INTO SATURDAY IN RESPONSE
TO A COLD FRONT THAT WILL PASS THROUGH THE REGION. CURRENTLY,
THERE IS A LOW-MEDIUM (20-60%) CHANCE FOR SHOWERS AND
THUNDERSTORMS TO OCCUR DURING THIS TIME PERIOD WITH THE GREATEST
CHANCES BEING FRIDAY NIGHT. COOLER THAN NORMAL TEMPERATURES ARE
EXPECTED SATURDAY THROUGH SUNDAY, FOLLOWING THE PASSAGE OF THE
COLD FRONT.
HIGH TEMPERATURES MAINLY WILL BE IN THE UPPER 80S TO 90S THROUGH THE
FORECAST PERIOD. ON SATURDAY, HIGHS WILL BE IN THE 70S. SUNDAY AND
MONDAY, HIGHS WILL BE IN THE 80S. OVERNIGHT LOWS WILL MAINLY BE IN
THE 60S/70S. FRIDAY NIGHT AND SATURDAY NIGHT, LOWS WILL BE IN THE
50S AND 60S.
AVIATION
(06Z TAFS)
ISSUED AT 1230 AM CDT THU APR 30 2026
THE LATEST OBSERVATIONS INDICATE MOST AREAS ARE VFR AS OF THE TIME
OF THIS WRITING. HOWEVER, MVFR CEILINGS HAVE DEVELOPED ALONG THE
IMMEDIATE COAST AND ARE EXPECTED TO SPREAD FURTHER INLAND
OVERNIGHT. EXPECT MVFR WITH INTERMITTENT PERIODS OF IFR CEILINGS
THROUGH THE EARLY TO MID MORNING HOURS, BEFORE IMPROVING TO VFR BY
MID TO LATE MORNING. AN UPTICK IN WIND SPEEDS ARE EXPECTED BY MID
TO LATE MORNING IN RESPONSE TO A TIGHTENING PRESSURE GRADIENT,
WITH GUSTS UP TO 20-25 KNOTS THROUGH THE AFTERNOON HOURS.
OTHERWISE, ANOTHER ROUND OF STRATUS IS EXPECTED TO DEVELOP
THURSDAY NIGHT INTO FRIDAY MORNING.
MARINE
ISSUED AT 849 PM CDT WED APR 29 2026
GENERALLY FAVORABLE MARINE CONDITIONS WILL BE IN PLACE THROUGH THE
FORECAST PERIOD WITH LIGHT TO MODERATE WINDS AND MODERATE SEAS. THE
ONLY EXCEPTION WILL BE FRIDAY NIGHT THROUGH SATURDAY EVENING, WHERE
HAZARDOUS (SMALL CRAFT ADVISORY) CONDITIONS WILL TAKE PLACE.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 90 76 92 62 / 0 0 10 60
HARLINGEN 92 73 95 60 / 0 0 10 60
MCALLEN 95 76 96 62 / 0 0 10 60
RIO GRANDE CITY 95 75 95 59 / 0 10 10 40
SOUTH PADRE ISLAND 82 76 83 66 / 0 0 10 60
BAYVIEW/PORT ISABEL 88 74 89 62 / 0 0 10 60
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...23
LONG TERM....23
AVIATION...22-GARCIA
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