Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

55°F

13°C

Humidity 99%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Dec 8:55 am CST
Extended Forecast for

Port Lavaca TX

  • Today

    Today: Sunny, with a high near 74. West southwest wind 5 to 7 mph becoming north northeast in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. North northeast wind around 7 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

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

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East southeast wind around 6 mph becoming light and variable  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Light south southwest wind becoming south 5 to 9 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Southeast wind around 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before noon.  Mostly sunny, with a high near 77. South southeast wind 5 to 9 mph.

    High: 77 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Southeast wind around 6 mph becoming east northeast after midnight.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. East northeast wind 6 to 13 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. West southwest wind 5 to 7 mph becoming north northeast in the afternoon.
Tonight
Mostly clear, with a low around 49. North northeast wind around 7 mph.
Thursday
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 58. East southeast wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 76. Light south southwest wind becoming south 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 63. Southeast wind around 6 mph.
Saturday
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 77. South southeast wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 61. Southeast wind around 6 mph becoming east northeast after midnight.
Sunday
Mostly sunny, with a high near 73. East northeast wind 6 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly cloudy, with a high near 67.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
11:26 pm CST Dec 9, 2025
9am CST Dec 10, 2025-6pm CST Dec 16, 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