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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

66°F

19°C

Humidity 58%
Wind Speed S 7 mph
Barometer 30.13 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 9 Dec 12:35 pm CST
Extended Forecast for

Port Lavaca TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. Southeast wind 3 to 6 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Light and variable wind becoming north northeast around 6 mph after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 69. North northeast wind around 7 mph becoming southeast in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming south southwest after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. South wind 5 to 11 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. South southeast wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. South southeast wind 6 to 11 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. Southeast wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 52. South wind around 6 mph.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 52. Light and variable wind becoming north northeast around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 69. North northeast wind around 7 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming south southwest after midnight.
Friday
Mostly sunny, with a high near 76. South wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 64. South southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 77. South southeast wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
Last Update:
11:26 am CST Dec 9, 2025
Forecast Valid:
12pm CST Dec 9, 2025-6pm CST Dec 15, 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