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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair and Breezy

52°F

11°C

Humidity 79%
Wind Speed N 21 mph
Barometer 30.15 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 7 Dec 10:55 pm CST
Extended Forecast for

2 Miles N Port Lavaca TX

Wind Advisory until December 8, 06:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 8, 06:00am

    NOW until 6:00am Mon

    Wind Advisory

  • Tonight

    Low: 46 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 58. North wind 11 to 20 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Northeast wind 7 to 9 mph.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. South wind around 8 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 6 to 10 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. South wind 7 to 9 mph becoming northwest after midnight.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. North northwest wind 6 to 10 mph becoming south in the afternoon.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Breezy, with a north wind 21 to 25 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 58. North wind 11 to 20 mph.
Monday Night
Clear, with a low around 46. Northeast wind 7 to 9 mph.
Tuesday
Sunny, with a high near 63. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. South wind around 8 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. South wind 7 to 9 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 73. North northwest wind 6 to 10 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 59. South southeast wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Port Lavaca TX
 28.65°N 96.61°W
Last Update:
9:41 pm CST Dec 7, 2025
Forecast Valid:
11pm CST Dec 7, 2025-6pm CST Dec 14, 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