871
FXUS64 KBRO 311115 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
615 AM CDT FRI JUL 31 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 613 AM CDT FRI JUL 31 2026
- HOT CONDITIONS WILL PERSIST THROUGH NEXT WEEK; FRIDAY THROUGH
SUNDAY WILL BE THE HOTTEST PERIOD; SPSS TO HEAT ADVISORIES WILL
LIKELY BE NEEDED.
- HIGH TEMPERATURES WILL GENERALLY RANGE BETWEEN THE UPPER 90S TO
MID 100S WITH PEAK HEAT INDICES BETWEEN 105-115F DEGREES THROUGH
NEXT WEEK.
- WIDESPREAD MODERATE (LEVEL 2 OF 4) TO MAJOR (LEVEL 3 OF 4) HEAT
RISK WITH POCKETS OF EXTREME (LEVEL 4 OF 4) HEAT RISK CAN BE
EXPECTED THROUGH NEXT WEEK.
- ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ON
SUNDAY AHEAD OF A SLOWING/STALLING COOL FRONT.
- BREEZY SOUTHEASTERLY WINDS WILL PERSIST THROUGH NEXT WEEK WITH
SPEEDS GENERALLY BETWEEN 15-25 MPH AND PEAK GUSTS UP TO 35 MPH.
- MOSTLY SMALL CRAFT EXERCISE CAUTION (SCEC) CONDITIONS OVER THE
LAGUNA MADRE WILL PERSIST THROUGH NEXT WEEK.
DISCUSSION
ISSUED AT 1010 PM CDT THU JUL 30 2026
HOT, MOSTLY DRY, AND BREEZY CONDITIONS ARE EXPECTED TO CONTINUE
THROUGH NEXT WEEK. DRIVING OUR WEATHER PATTERN WILL BE A STRONG 591-
594 DAM SUB-TROPICAL HEAT RIDGE CENTERED OVER THE DESERT SOUTHWEST.
ADDITIONALLY, AN ENHANCED PRESSURE AND THERMAL GRADIENT WILL RESULT
IN BREEZY SOUTHEAST WINDS NEARLY EACH DAY WITH SPEEDS GENERALLY
RANGING BETWEEN 15-25 MPH AND GUSTS UP TO 35 MPH. ISOLATED TO SCATTERED
SHOWERS AND THUNDERSTORMS ARE POSSIBLE ON SUNDAY ACROSS THE REGION
AHEAD OF A STALLING/SLOWING COOL FRONT. CHANCES REMAIN LOW AT THIS
TIME.
SPECIAL WEATHER STATEMENTS (SPSS) TO HEAT ADVISORIES MAY BE NEEDED
EACH DAY GOING FORWARD (ESPECIALLY FRIDAY THROUGH SUNDAY) AS
DAYTIME HIGH TEMPERATURES WILL RANGE BETWEEN THE UPPER 90S TO MID
100S WITH PEAK HEAT INDICES RANGING GENERALLY BETWEEN 105-115F
DEGREES.
HEAT RISK CONCERNS WILL CONTINUE THROUGH NEXT WEEK. WIDESPREAD
MODERATE (LEVEL 2 OF 4) TO MAJOR (LEVEL 3 OF 4) HEAT RISK WITH
POCKETS OF EXTREME (LEVEL 4 OF 4) HEAT RISK CAN BE EXPECTED.
AVIATION
(12Z TAFS)
ISSUED AT 613 AM CDT FRI JUL 31 2026
THE AERODROMES WILL EXPERIENCE GENERALLY VFR THROUGH THE NEXT 24
HOURS, WITH LIMITED CLOUD COVER AND RAIN-FREE SKIES. LIGHT TO
MODERATE WINDS DURING THE OVERNIGHT HOURS WILL BECOME BREEZY WITH
STRONGER GUSTS DURING DAYLIGHT.
MARINE
ISSUED AT 1010 PM CDT THU JUL 30 2026
GENERALLY FAVORABLE MARINE CONDITIONS WILL PERSIST THROUGH THE
FORECAST PERIOD WITH MAINLY MODERATE WINDS AND LOW TO MODERATE SEAS.
SMALL CRAFT EXERCISE CAUTION (SCEC) CONDITIONS WILL LIKELY BE NEEDED
EACH DAY OVER THE LAGUNA MADRE DUE TO PERSISTENTLY BREEZY SOUTHEAST
WINDS FROM AN ENHANCED PRESSURE GRADIENT. THERE COULD BE BRIEF
PERIODS WHERE WINDS REACH LOW END SMALL CRAFT ADVISORY.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 97 81 98 81 / 0 0 0 0
HARLINGEN 100 79 102 78 / 0 0 0 0
MCALLEN 103 81 105 81 / 0 0 0 0
RIO GRANDE CITY 104 79 105 79 / 0 0 0 0
SOUTH PADRE ISLAND 88 81 89 81 / 0 0 0 0
BAYVIEW/PORT ISABEL 96 79 97 79 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
NONE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page