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 1255 AM CDT Fri Jul 17 2026

* Hot and rain-free conditions are expected into late next week, with Moderate (level 2 of 4) to Major (level 3 of 4) Heat Risk.

* There is a Moderate Risk of life-threatening rip currents at area beaches into this weekend.

DISCUSSION

Issued at 1026 PM CDT Thu Jul 16 2026

High pressure gradually builds across the Gulf turning up the heat into next week and cutting rain chances down below 10 percent. High temperatures may top 100 for many locations by Sunday, nearing record highs by mid next week. A Moderate (level 2 of 4) Heat Risk can be expected every day across Deep South Texas through next Thursday, with pockets of Major (level 3 of 4) Heat Risk in portions of the Rio Grande Valley.

Along the coast, long period swell may continue a moderate risk of life-threatening rip currents into the weekend, with conditions overall becoming more favorable as high pressure builds and astronomical tides subside.

AVIATION

(06Z TAFS) Issued at 1255 AM CDT Fri Jul 17 2026

Favorable aviation conditions are forecast through the next 24 hours, with VFR in place. Breezy winds during the daylight hours will diminish to moderate levels for the nighttime. Mostly clear to partly cloudy, rain-free skies are also anticipated.

MARINE

Issued at 1026 PM CDT Thu Jul 16 2026

Light to moderate southeasterly winds continue across the coastal waters through the forecast period with high pressure building across the Gulf. Seas of 2 to 4 feet are expected with a long period swell through the weekend. Generally favorable marine conditions return late this weekend into next week. Afternoon winds will drive a periodic chop on the bay with Small Craft Caution conditions possible.

PRELIMINARY POINT TEMPS/POPS

BROWNSVILLE 94 80 95 80 / 0 0 0 0 HARLINGEN 96 78 97 77 / 0 0 0 0 MCALLEN 100 80 101 79 / 0 0 0 0 RIO GRANDE CITY 100 78 102 78 / 0 0 0 0 SOUTH PADRE ISLAND 88 81 88 81 / 0 0 0 0 BAYVIEW/PORT ISABEL 93 79 93 79 / 0 0 0 0

BRO WATCHES/WARNINGS/ADVISORIES

None.

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