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Hazardous Weather Conditions

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

30°C

86°F

Humidity 90%
Wind Speed S 11 km/h
Barometer 29.99 in
Dewpoint 28°C (83°F)
Visibility 14 km
Heat Index41°C (105°F)
Last update 13 Sep 8:55 am CDT
Extended Forecast for

Vanderbilt TX

Heat Advisory September 13, 11:00am until September 13, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 36. Heat index values as high as 44. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.

    High: 36 °C

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southeast wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 30 km/h.

    Low: 26 °C

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 36. Heat index values as high as 43. Southeast wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.

    High: 36 °C

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. Southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 30 km/h.

    Low: 26 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 37. Southeast wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.

    High: 37 °C

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °C

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 36.

    High: 36 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 25.

    Low: 25 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 35.

    High: 35 °C

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 36. Heat index values as high as 44. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.
Tonight
Partly cloudy, with a low around 26. Southeast wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 30 km/h.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 36. Heat index values as high as 43. Southeast wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.
Monday Night
Mostly clear, with a low around 26. Southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 30 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 37. Southeast wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 36.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 25.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 24.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 23.
Saturday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 36.
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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 m)
Last Update:
8:06 am CDT Sep 13, 2026
Forecast Valid:
9am CDT Sep 13, 2026-6pm CDT Sep 19, 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