987
FXUS64 KBRO 282246
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
546 PM CDT TUE JUL 28 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 545 PM CDT TUE JUL 28 2026
- TODAY'S HEAT INDICES ARE EXPECTED TO REACH BETWEEN 105-100 DEGREES
FOR ALL OF DEEP SOUTH TEXAS, EXCEPTING COASTAL AREAS.
- HEAT INDICES ARE EXPECTED TO SLIGHTLY INCREASE THROUGH THE END OF
THE WEEK, RESULTING IN AREAS OF MAJOR (LEVEL 3 OF 4) TO EXTREME HEAT
RISK (LEVEL 4 OF 4).
- HOT AND PRECIPITATION-FREE CONDITIONS ARE EXPECTED TO PERSIST
THROUGH EARLY NEXT WEEK.
- A SMALL CRAFT ADVISORY IS IN EFFECT FROM 11 AM TO 7 PM FOR THE
LAGUNA MADRE BAY.
- THERE IS A MODERATE RISK OF LIFE-THREATENING RIP CURRENTS AT
AREA BEACHES THROUGH TOMORROW.
DISCUSSION
ISSUED AT 1220 PM CDT TUE JUL 28 2026
HIGH PRESSURE REMAINS STATIONED OVER THE DESERT SOUTHWEST, WHICH
CONTINUES TO BRING HOT, DRY, AND RAIN-FREE CONDITIONS TO DEEP SOUTH
TEXAS. DANGEROUSLY HOT TEMPERATURES AND HEAT INDICES WILL CONTINUE
TO BE A CONCERN OVER THE NEXT WEEK, AS UPPER LEVEL RIDGING TO THE
NORTHEAST REMAINS IN PLACE, WITH SURFACE HIGH PRESSURE OVER THE
GULF. LITTLE TO NO PRECIPITATION IS EXPECTED OVER THE NEXT WEEK.
HEAT RISK IS EXPECTED TO INCREASE OVER THE NEXT FEW DAYS TO
PRIMARILY MAJOR (LEVEL 3 OF 4) WITH POCKETS OF EXTREME (LEVEL 4 OF
4), ESPECIALLY IN URBAN AREAS OF THE RIO GRANDE VALLEY. HIGH
TEMPERATURES ARE EXPECTED TO REACH THE TRIPLE DIGITS EACH DAY FOR
ALMOST ALL OF DEEP SOUTH TEXAS EXCEPTING COASTAL AREAS, WHERE HIGHS
WILL BE IN THE MID TO UPPER 90S. A SPECIAL WEATHER STATEMENT HAS
BEEN ISSUED TODAY FOR ALL OF DEEP SOUTH TEXAS (EXCEPTING COASTAL
AREAS) FOR HEAT INDICES BETWEEN 105-100 DEGREES. HEAT INDICES ARE
EXPECTED TO SLIGHTLY INCREASE THROUGH THE WEEKEND. WITH THE
INCREASE COMES THE POTENTIAL FOR HEAT ADVISORIES AND EVEN POSSIBLY
EXTREME HEAT WARNINGS.
AVIATION
(00Z TAFS)
ISSUED AT 545 PM CDT TUE JUL 28 2026
THROUGH 00Z THURSDAY....VFR CONDITONS ARE EXPECTED TO PREVAIL
THROUGH THE 00Z TAF CYCLE.
WINDS WILL REMAIN BREEZY OUT OF THE SOUTHEAST THROUGH THE 00Z TAF
PERIOD WITH SPEEDS BETWEEN 10-20 KTS AND GUSTS AS HIGH AS 25 KTS OR
SO, ESPECIALLY DURING THE AFTERNOON HOURS.
MARINE
ISSUED AT 1220 PM CDT TUE JUL 28 2026
A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE LAGUNA MADRE BAY FROM 11
AM TODAY THROUGH 7 PM THIS EVENING DUE TO ELEVATED WIND SPEEDS FROM
AN ENHANCED PRESSURE GRADIENT. SMALL CRAFT EXERCISE CAUTION IS ALSO
POSSIBLE ON THE NEARSHORE GULF WATERS. INTERMITTENT SCEC IS
POSSIBLE BOTH IN THE BAY AND THE GULF THROUGHOUT THE WEEK AS WINDS
MAY BECOME A BIT HIGHER IN THE AFTERNOONS. OTHERWISE, FAVORABLE
CONDITIONS ARE EXPECTED TO PREVAIL.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 81 97 81 97 / 0 0 0 0
HARLINGEN 79 100 78 100 / 0 0 0 0
MCALLEN 81 103 80 104 / 0 0 0 0
RIO GRANDE CITY 79 104 79 104 / 0 0 0 0
SOUTH PADRE ISLAND 81 88 81 88 / 0 0 0 0
BAYVIEW/PORT ISABEL 80 95 79 95 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...SMALL CRAFT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR GMZ130-132-
135.
SHORT TERM...55
LONG TERM....55
AVIATION...23-EVBUOMA
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