082
FXUS64 KBRO 301145 AAB
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
645 AM CDT TUE JUN 30 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 621 AM CDT TUE JUN 30 2026
* HOT CONDITIONS CONTINUE THROUGH THE WEEK. HEAT INDICES BETWEEN
100 AND 110 DEGREES THIS WEEK WILL LEAD TO MODERATE (LEVEL 2 OF
4) HEAT RISK EACH DAY.
* GENERALLY RAIN FREE CONDITIONS ARE EXPECTED, THOUGH COULD SEE SOME
ISOLATED SEA BREEZE ACTIVITY MID TO LATE WEEK.
DISCUSSION
ISSUED AT 1045 PM CDT MON JUN 29 2026
HOT, DRY CONDITIONS CONTINUE THROUGH THE FORECAST UNDER BROAD MID-
LEVEL RIDGING OVER EASTERN CONUS. TEMPERATURES WILL REMAIN
SEASONABLE FOR LATE JUNE/EARLY JULY, WITH HIGHS IN THE UPPER 90S TO
LOW 100S (80S ALONG THE COAST) AND LOWS IN THE 70S. HEAT INDICES
FROM 100-110 DEGF EACH AFTERNOON WILL MAINTAIN A MODERATE RISK OF
HEAT RELATED ILLNESS. BREEZY SOUTH-SOUTHEASTERLY WINDS CONTINUE EACH
AFTERNOON THROUGH THE REST OF THE WEEK, WITH WINDS TO 20 MPH GUSTING
TO 25 MPH.
RAIN CHANCES REMAIN MINIMAL THROUGH MIDWEEK, WITH DRY AIR ALOFT AND
SUBSIDENCE SUPPRESSING CONVECTIVE DEVELOPMENT. BY WEDNESDAY, THE
RIDGE SLOWLY TRANSITING EAST WILL INCREASE SUPPORT FOR SEA BREEZE
SHOWERS ALONG THE COAST DAILY WEDNESDAY THROUGH FRIDAY (LOW CHANCES,
AROUND 20%).
AVIATION
(12Z TAFS)
ISSUED AT 621 AM CDT TUE JUN 30 2026
VFR CONDITIONS ARE FORECAST TO CONTINUE THROUGH THE PERIOD. WINDS
ARE FORECAST TO REMAIN SOUTHEASTERLY, WITH WIND SPEEDS AND GUSTS
INCREASING THIS AFTERNOON.
MARINE
ISSUED AT 1045 PM CDT MON JUN 29 2026
MODERATE SOUTHEASTERLY FLOW WITH BRIEFLY HIGHER GUSTS WILL
GRADUALLY DIMINISH TO MODERATE TO GENTLE BY WEDNESDAY. MODERATE
SEAS DECREASE TO SLIGHT. FAVORABLE MARINE CONDITIONS ARE EXPECTED
IN THE LATTER HALF OF THE PERIOD, WITH LOW (15% OR LESS) RAIN
CHANCES PERSISTING.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 94 80 94 79 / 0 0 0 0
HARLINGEN 95 76 95 76 / 0 0 0 0
MCALLEN 98 79 98 78 / 0 0 0 0
RIO GRANDE CITY 99 76 99 76 / 0 0 0 0
SOUTH PADRE ISLAND 87 81 87 80 / 0 0 10 0
BAYVIEW/PORT ISABEL 91 78 91 78 / 0 0 10 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...69
LONG TERM....69
AVIATION...60-BE
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