National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Mostly Cloudy

78°F

26°C

Humidity 98%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 9.00 mi
Heat Index81°F (27°C)
Last update 28 Aug 5:15 am CDT
Extended Forecast for

Vanderbilt TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 107. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Heat index values as high as 105. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 107. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 97. Heat index values as high as 105. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 75. Southeast wind 5 to 10 mph becoming light south after midnight.
Sunday
Sunny, with a high near 96. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vanderbilt TX
 28.85°N 96.67°W (Elev. 39 ft)
Last Update:
3:36 am CDT Aug 28, 2026
Forecast Valid:
5am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation