Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

53°F

12°C

Humidity 89%
Wind Speed S 6 mph
Barometer 30.02 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 9 Dec 10:35 pm CST
Extended Forecast for

Port Lavaca TX

  • 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. North northeast wind around 7 mph.

    Low: 52 °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 59. East southeast wind around 6 mph becoming light and variable  after midnight.

    Low: 59 °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 64. Southeast wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. South southeast wind 5 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Southeast wind around 6 mph becoming east northeast after midnight.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

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. 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 59. 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 64. Southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 77. South southeast wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 62. Southeast wind around 6 mph becoming east northeast after midnight.
Sunday
A 20 percent chance of showers before noon. 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.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
10:46 pm CST Dec 9, 2025
10pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database