Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Port Lavaca TX

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 40. North wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 58. North wind 6 to 14 mph, with gusts as high as 18 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 47. Northeast wind around 5 mph becoming calm.

    Low: 47 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of showers after noon.  Cloudy, with a high near 70. East northeast wind 5 to 8 mph.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 58. East northeast wind 6 to 9 mph becoming north after midnight.  Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Cloudy, with a high near 65. North wind 10 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Cloudy, with a low around 46. North wind 10 to 17 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers, mainly before noon.  Mostly cloudy, with a high near 57. North wind 6 to 10 mph.

    High: 57 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 49. North wind 3 to 5 mph.

    Low: 49 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 40. North wind 14 to 16 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 58. North wind 6 to 14 mph, with gusts as high as 18 mph.
Tuesday Night
Increasing clouds, with a low around 47. Northeast wind around 5 mph becoming calm.
Wednesday
A 40 percent chance of showers after noon. Cloudy, with a high near 70. East northeast wind 5 to 8 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 58. East northeast wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 65. North wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Cloudy, with a low around 46. North wind 10 to 17 mph, with gusts as high as 23 mph.
Friday
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 57. North wind 6 to 10 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49. North wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
9:36 pm CST Dec 1, 2025
10pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
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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