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

Severe Thunderstorms into Sunday; Atmospheric River Impacting the Pacific Northwest

Severe thunderstorms will bring sporadic reports of damaging winds and a few tornadoes through Sunday across a broad portion of the Mid-Atlantic and Southeast U.S. A weak atmospheric river is forecast to impact Oregon and northern California on Sunday bringing rain, mountain snow, and gusty winds. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

56°F

13°C

Humidity 56%
Wind Speed N 6 mph
Barometer 30.07 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 16 Mar 8:55 am CDT
Extended Forecast for

Port Lavaca TX

  • Today

    Today: Sunny, with a high near 78. North wind 6 to 8 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. South southeast wind 6 to 9 mph.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. South wind 13 to 21 mph, with gusts as high as 29 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. South wind 11 to 17 mph, with gusts as high as 24 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. West wind 7 to 17 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. North wind 11 to 14 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. North northeast wind around 11 mph.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. North wind 6 to 8 mph.
Tonight
Clear, with a low around 57. South southeast wind 6 to 9 mph.
Monday
Sunny, with a high near 78. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 64. South wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 77. South wind 13 to 21 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 63. South wind 11 to 17 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 80. West wind 7 to 17 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 50. North wind 11 to 14 mph.
Thursday
Sunny, with a high near 72. North northeast wind around 11 mph.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 82.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
Last Update:
5:57 am CDT Mar 16, 2025
Forecast Valid:
9am CDT Mar 16, 2025-6pm CDT Mar 22, 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