497
FXUS64 KBRO 280346
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1046 PM CDT WED MAY 27 2026
..NEW DISCUSSION, MARINE
KEY MESSAGES
UPDATED AT 1039 PM CDT WED MAY 27 2026
* WARM AND DRY CONDITIONS WILL PREVAIL INTO THE WEEKEND.
* RAIN CHANCES RETURN EARLY TO MID NEXT WEEK.
DISCUSSION
ISSUED AT 1039 PM CDT WED MAY 27 2026
RIDGING BUILDING OVERHEAD WILL SUPPORT A MOSTLY DRY PATTERN INTO
THIS WEEKEND. TEMPERATURES WILL HANG BELOW AVERAGE FOR LATE MAY WITH
HIGHS SLOWLY CLIMBING TO THE MID 90S, WITH HEAT INDICES IN THE UPPER
90S (RIO GRANDE PLAINS, RANCHLANDS WEST OF I69C) TO MID 100S (RGV).
MINOR HEAT RISK WILL BUILD TO MODERATE INTO THE WEEKEND, WITH
POCKETS OF MAJOR IN THE RGV. BE SURE TO PRACTICE HEAT SAFETY THIS
WEEKEND, AS RISK OF HEAT RELATED ILLNESS WILL BE ELEVATED.
RAIN CHANCES ARE MOSTLY LOW (10% OR LESS) THROUGH THE REST OF THE
WEEK INTO THE WEEKEND. SHOWERS ALONG THE SEABREEZE THURSDAY ARE
POSSIBLE. RAIN CHANCES LOOK TO INCREASE AGAIN EARLY TO MID NEXT WEEK.
AVIATION
(18Z TAFS)
ISSUED AT 1226 PM CDT WED MAY 27 2026
MOST OF THE SHOWERS AND THUNDERSTORMS ARE ON THE WAY OUT OF THE
REGION CURRENTLY, LEAVING ONLY BRO TO BE AFFECTED AT THE TIME OF
WRITING. HOWEVER THAT SHOULD COME TO AN END SOON. A MIXTURE OF
VFR TO MVFR CEILINGS SHOULD OCCUR FOR THE NEXT SEVERAL HOURS
BEFORE GOING TO MOSTLY VFR WITH LIGHT WINDS FOR THE REST OF THE
AFTERNOON. SOME MVFR CEILINGS COULD CREEP IN AGAIN DURING THE
OVERNIGHT HOURS, BUT SHOULD QUICKLY TURN BACK TO VFR A LITTLE
AFTER SUNRISE TOMORROW.
MARINE
ISSUED AT 1039 PM CDT WED MAY 27 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 77 91 77 92 / 10 10 10 10
HARLINGEN 74 90 73 91 / 10 10 0 0
MCALLEN 76 92 76 93 / 10 10 0 0
RIO GRANDE CITY 74 92 75 94 / 20 10 0 0
SOUTH PADRE ISLAND 79 85 80 85 / 20 10 0 0
BAYVIEW/PORT ISABEL 76 88 77 89 / 20 10 0 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...69-HK
LONG TERM....69-HK
AVIATION...69-HK
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