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.

Fair

82°F

28°C

Humidity 95%
Wind Speed S 8 mph
Barometer 29.95 in
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 26 Aug 11:55 pm CDT
Extended Forecast for

4 Miles SE Vanderbilt TX

  • Overnight

    Overnight: Partly cloudy, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 111. West wind 5 to 10 mph becoming south in the afternoon.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 78. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 96. Heat index values as high as 108. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 96 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 95. Chance of precipitation is 30%.

    High: 95 °F

    Chance
    T-storms

  • Saturday Night

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

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 79. South wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 111. West wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 78. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 96. Heat index values as high as 108. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light after midnight.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 95. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Vanderbilt TX
 28.83°N 96.61°W (Elev. 26 ft)
Last Update:
12:06 am CDT Aug 27, 2026
Forecast Valid:
12am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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