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.

Fog/Mist

49°F

9°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.95 in
Dewpoint 49°F (9°C)
Visibility 1.50 mi
Wind Chill46°F (8°C)
Last update 10 Dec 3:35 am CST
Extended Forecast for

Port Lavaca TX

  • Overnight

    Overnight: Mostly clear, with a low around 52. South southwest wind around 5 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 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

Detailed Forecast

Overnight
Mostly clear, with a low around 52. South southwest wind around 5 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 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.
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
3am 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