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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Overcast

73°F

23°C

Humidity 84%
Wind Speed E 12 mph
Barometer 30.10 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 23 Nov 12:55 pm CST
Extended Forecast for

Port Lavaca TX

  • This Afternoon

    This Afternoon: A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 77. East southeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. South southeast wind 10 to 13 mph.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 83. South wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 9pm. Partly cloudy, with a low around 68. South wind 5 to 14 mph becoming west southwest after midnight. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 83. West wind 5 to 7 mph becoming east northeast in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Partly cloudy, with a low around 59. North northeast wind 5 to 13 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North northeast wind 14 to 17 mph, with gusts as high as 22 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. North northeast wind 9 to 13 mph.

    Low: 50 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 72. North northeast wind around 10 mph becoming east in the afternoon.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 77. East southeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 71. South southeast wind 10 to 13 mph.
Monday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 83. South wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, with thunderstorms also possible after 9pm. Partly cloudy, with a low around 68. South wind 5 to 14 mph becoming west southwest after midnight. Chance of precipitation is 50%.
Tuesday
Sunny, with a high near 83. West wind 5 to 7 mph becoming east northeast in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Partly cloudy, with a low around 59. North northeast wind 5 to 13 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 72. North northeast wind 14 to 17 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 50. North northeast wind 9 to 13 mph.
Thanksgiving Day
Sunny, with a high near 72. North northeast wind around 10 mph becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, 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 96.64°W
Last Update:
11:26 am CST Nov 23, 2025
Forecast Valid:
1pm CST Nov 23, 2025-6pm CST Nov 29, 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