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 519 PM CDT Sun Aug 23 2026

- Unseasonably hot and rain-free conditions are expected to continue through this next week.

- Moderate (level 2 of 4) to Major (level 3 of 4) Heat Risk could increase to areas of Extreme (level 4 of 4) Heat Risk throughout the upcoming week.

- A combination of dry fuels, low relative humidity, and hot temperatures could lead to elevated fire danger risks over the next week.

AVIATION

(18Z TAFS) Issued at 1232 PM CDT Sun Aug 23 2026

VFR conditions at all airports with light to moderate southeasterly winds.

AVIATION

(00Z TAFS) Issued at 519 PM CDT Sun Aug 23 2026

Through 00z Tuesday....VFR conditions will prevail through the 00z TAF cycle.

Winds will continue out of the south-southeast 5-15 kts through the forecast period.

MARINE

Issued at 1232 PM CDT Sun Aug 23 2026

Favorable marine conditions are expected throughout the week with low wave heights (1 to 2 feet) and light to moderate southeasterly winds.

PRELIMINARY POINT TEMPS/POPS

BROWNSVILLE 80 98 80 98 / 0 0 0 0 HARLINGEN 76 102 76 102 / 0 10 0 10 MCALLEN 79 104 79 104 / 0 0 0 0 RIO GRANDE CITY 77 104 77 105 / 0 0 0 0 SOUTH PADRE ISLAND 81 90 81 90 / 0 0 0 0 BAYVIEW/PORT ISABEL 78 97 78 97 / 0 0 0 0

BRO WATCHES/WARNINGS/ADVISORIES

TX...None. GM...None.

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