320
FXUS64 KBRO 291129 AAB
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
629 AM CDT FRI MAY 29 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 619 AM CDT FRI MAY 29 2026
* OVERALL WARM AND DRY CONDITIONS EXPECTED INTO NEXT WEEK.
* LOW TO MODERATE (20 TO 50%) CHANCES OF ISOLATED TO SCATTERED
SHOWERS/THUNDERSTORMS RETURN TUESDAY AND CONTINUE THROUGH THE
WEEK.
DISCUSSION
ISSUED AT 1021 PM CDT THU MAY 28 2026
HIGH PRESSURE WILL SUPPORT A DRY WARMING PATTERN INTO THIS WEEKEND.
HIGH TEMPERATURES WILL HANG BELOW AVERAGE FOR LATE MAY/EARLY JUNE
WITH HIGHS IN THE MID 90S AND HEAT INDICES IN THE UPPER 90S (RIO
GRANDE PLAINS, RANCHLANDS WEST OF I69C) TO MID 100S (RGV). LOW
TEMPERATURES AROUND AVERAGE IN THE 70S (NEAR 80 ALONG THE COAST).
MINOR HEAT RISK WILL BUILD TO MODERATE INTO THE WEEKEND. BE SURE TO
PRACTICE HEAT SAFETY, AS RISK OF HEAT RELATED ILLNESS WILL BE
ELEVATED THIS WEEKEND.
RAIN CHANCES ARE VERY LOW (LESS THAN 10%) THROUGH THE REST OF THE
WEEK INTO THE WEEKEND. CHANCES OF RAIN AND THUNDERSTORMS INCREASE
AGAIN EARLY TO MID NEXT WEEK AS SHORTWAVES INTERACT WITH OUR
TROPICAL MOISTURE ALONG THE SEABREEZE. LOW TO MODERATE RAIN CHANCES
(20-50%) WILL PERSIST AS EARLY AS MONDAY NIGHT THROUGH THE REMAINDER
OF THE FORECAST PERIOD, WITH THE GREATEST CHANCES TUESDAY
(30-50%).
AVIATION
(12Z TAFS)
ISSUED AT 619 AM CDT FRI MAY 29 2026
IFR TO LIFR VISIBILITIES AT HRL ARE FORECAST TO IMPROVE OVER THE
NEXT COUPLE HOURS WITH VFR CONDITIONS CONTINUING THROUGH THE DAY.
BRO AND MFE ARE FORECAST TO REMAIN VFR THROUGH THE DAY, THOUGH
MVFR CEILINGS ARE FORECAST TO DEVELOP TONIGHT AT MFE. LIGHT AND
VARIABLE WINDS THIS MORNING ARE FORECAST TO INCREASED OUT OF THE
SOUTHEAST TO AROUND 10 KNOTS THIS AFTERNOON.
MARINE
ISSUED AT 1021 PM CDT THU MAY 28 2026
SOUTHERLY TO ONSHORE GENTLE TO MODERATE FLOW WITH SLIGHT SEAS WILL
PREVAIL THROUGH THE PERIOD. RAIN CHANCES REMAIN LOW (LESS THAN 10%)
THROUGH THE WEEKEND, INCREASING AGAIN EARLY TO MID NEXT WEEK.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 93 78 93 79 / 0 0 0 0
HARLINGEN 93 74 94 75 / 0 0 0 0
MCALLEN 97 77 97 78 / 0 0 0 0
RIO GRANDE CITY 97 75 97 76 / 0 0 0 0
SOUTH PADRE ISLAND 86 81 86 81 / 0 0 0 0
BAYVIEW/PORT ISABEL 90 77 91 79 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...69
LONG TERM....69
AVIATION...60-BE
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