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

Areas of Severe Thunderstorms and Excessive Rainfall Today in the Central U.S.

A storm system will track from the southern Plains to the Upper Midwest today. Severe thunderstorms are expected from east Texas into far southeast Iowa and Illinois. A strong tornado and damaging wind potential will exist from central Arkansas into central Missouri. Heavy to excessive rainfall from eastern Texas into the Midwest states may bring new or renewed areas of flooding. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Mostly Cloudy

84°F

29°C

Humidity 74%
Wind Speed SE 9 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index92°F (33°C)
Last update 20 Apr 11:35 am CDT
Extended Forecast for

Port Lavaca TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. South southeast wind around 15 mph, with gusts as high as 18 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Patchy fog between midnight and 4am. Otherwise, mostly cloudy, with a low around 71. South southeast wind 6 to 11 mph.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. East northeast wind 6 to 10 mph becoming southeast in the afternoon.

    High: 78 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. East southeast wind 7 to 11 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 79. Southeast wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 13 to 15 mph, with gusts as high as 18 mph.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Southeast wind 13 to 16 mph, with gusts as high as 21 mph.

    High: 76 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 74. Southeast wind 11 to 15 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 78. Southeast wind 11 to 17 mph, with gusts as high as 22 mph.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. South southeast wind around 15 mph, with gusts as high as 18 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Patchy fog between midnight and 4am. Otherwise, mostly cloudy, with a low around 71. South southeast wind 6 to 11 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. East northeast wind 6 to 10 mph becoming southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 72. East southeast wind 7 to 11 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 79. Southeast wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 13 to 15 mph, with gusts as high as 18 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Southeast wind 13 to 16 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 74. Southeast wind 11 to 15 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 78. Southeast wind 11 to 17 mph, with gusts as high as 22 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.61°W
Last Update:
11:28 am CDT Apr 20, 2025
Forecast Valid:
11am CDT Apr 20, 2025-6pm CDT Apr 26, 2025
 
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