240
FXUS64 KBRO 301130
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
630 AM CDT THU APR 30 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 630 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
(12Z TAFS)
ISSUED AT 630 AM CDT THU APR 30 2026
MVFR CEILINGS, WITH BRIEF IFR CEILINGS, WILL PREVAIL THROUGH THE
MID TO LATE MORNING HOURS ACROSS THE REGION BEFORE IMPROVING TO
VFR THROUGH THE AFTERNOON HOURS. AN UPTICK IN WIND SPEEDS IS
EXPECTED BY MID TO LATE MORNING IN RESPONSE TO A TIGHTENING
PRESSURE GRADIENT, WHICH WILL RESULT IN SOUTHEASTERLY WINDS
GUSTING TO AROUND 20-25 KNOTS. OTHERWISE, ANOTHER ROUND OF STRATUS
IS EXPECTED TO DEVELOP TONIGHT.
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 91 62 / 0 0 10 60
HARLINGEN 92 73 93 60 / 0 0 10 60
MCALLEN 95 76 94 62 / 0 0 10 60
RIO GRANDE CITY 95 75 89 59 / 0 10 20 40
SOUTH PADRE ISLAND 82 76 83 66 / 0 0 10 60
BAYVIEW/PORT ISABEL 88 74 88 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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