textproduct: Brownsville/Rio Grande Valley
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
Updated at 1113 AM CST Tue Nov 3 2026
- Two cold fronts expected this week.
- Above normal temperatures expected today, potentially record breaking, before cooler air arrives.
- Low to medium rain chances expected through much of the period.
DISCUSSION
Issued at 1113 AM CST Tue Nov 3 2026
One of two cold fronts will move through Deep South Texas later today into tonight. Unseasonably warm temperatures are expected today with highs in the upper 80s to mid 90s. Compressional heating ahead of the front could lead to potential record breaking temperatures in the mid to lower Valley this afternoon. As the front pushes through, rain chances will increase from west to east. Highest rain chances will be along the coast early Wednesday morning.
Temperatures on Wednesday will be near normal with dry conditions before another cold front moves through late Thursday/early Friday. This secondary front will increase rain chances once again Thursday through the weekend. Temperatures will be much cooler beginning Friday with highs in the 80s and by this weekend mid to upper 70s and possibly a few low 80s. Overnight temperatures will fall into the 50s across much of the area by Saturday night.
AVIATION
(18Z TAFS) Issued at 1113 AM CST Tue Nov 3 2026
VFR conditions will prevail through the TAF period. Tonight rain chances increase with the potential for brief MVFR conditions with any passing showers or thunderstorms. Winds are expected to remain light.
MARINE
Issued at 1113 AM CST Tue Nov 3 2026
Generally favorable conditions will prevail through much of the week. A cold front later today will bring chances of rain and thunderstorms that could lead to locally enhanced winds and seas. Another cold front moving through late week will lead to more hazardous conditions with Small Craft Advisories likely needed this weekend. Additional showers and thunderstorms are expected Thursday through the weekend that could contribute to adverse marine conditions.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 92 71 83 72 / 10 50 10 0 HARLINGEN 93 67 82 68 / 20 40 10 0 MCALLEN 94 69 86 71 / 10 20 0 0 RIO GRANDE CITY 90 64 85 67 / 0 0 0 0 SOUTH PADRE ISLAND 84 74 78 74 / 10 60 10 0 BAYVIEW/PORT ISABEL 90 70 80 70 / 20 50 10 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...None. GM...None.
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