textproduct: Houston/Galveston

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

- Seasonably hot with highs in the 90s and heat index values 100-107F each day. - An isolated late day shower can't be ruled out along the seabreeze in the afternoons. - Slightly better rain chances expected Thursday into early next week for the eastern and southern parts of the region as some deeper moisture flows back inland.

DISCUSSION

Issued at 1105 PM CDT Wed Aug 5 2026

Ridging centered over the Southwest CONUS/Four Corners will keep uneventful weather over the region through the better half of next week at least. Heights and 850mb temperatures are still expected to drop into the weekend, resulting slightly lower heat stress and surface temperatures. Reduced subsidence and rising PWs should bring better rain chances during this period as well, with isolated to scattered showers and storms possible along the seabreeze/baybreeze each afternoon. Highs remain in the 90s each day with heat indices reaching the triple digits in the afternoon. Some patchy fog will be possible during the early morning hours.

AVIATION

(00Z TAF Issuance) Issued at 635 PM CDT Wed Aug 5 2026

VFR conditions are expected for much of the forecast period, with the exemption of the potential for a brief period of MVFR cigs to possibly IFR cigs from around 11-14Z for some sites. Winds will relax to 5 KTS or less tonight and become VRB. Winds will be SSW at 5-10 KTS Thu morning and turn S-SE at 08-12 KTS Thu afternoon. There is a slight chance for iso showers/thunderstorms in the afternoon, in particular for HOU/IAH/SGR/CXO. Storms, is any, are expected to dissipate in the evening.

Cotto

MARINE

Issued at 1105 PM CDT Wed Aug 5 2026

Onshore winds 10-15 knots and seas of 2-4 feet are expected throughout the next several days. Rain chances increase slightly through early next week. Chances for isolated to scattered showers and storms will be greatest during the late night through early afternoon hours for the Gulf.

PRELIMINARY POINT TEMPS/POPS

College Station (CLL) 97 76 96 76 / 0 0 0 0 Houston (IAH) 98 78 97 79 / 20 20 20 10 Galveston (GLS) 90 83 91 83 / 0 0 20 10

HGX WATCHES/WARNINGS/ADVISORIES

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

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