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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

69°F

21°C

Humidity 84%
Wind Speed SE 3 mph
Barometer 30.15 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 12 Nov 7:55 pm CST
Extended Forecast for

6 Miles SE Port Lavaca TX

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 67. South wind around 7 mph.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South southeast wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. South southeast wind 7 to 9 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. South southeast wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. South southeast wind around 8 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79. South wind 6 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South southeast wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. South wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind around 11 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 67. South wind around 7 mph.
Thursday
Mostly sunny, with a high near 79. South southeast wind 6 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 67. South southeast wind 7 to 9 mph.
Friday
Sunny, with a high near 79. South southeast wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 67. South southeast wind around 8 mph.
Saturday
Mostly sunny, with a high near 79. South wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 68. South southeast wind around 7 mph.
Sunday
Sunny, with a high near 81. South wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind around 11 mph.
Monday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Port Lavaca TX
 28.56°N 96.53°W
Last Update:
11:26 am CST Nov 12, 2025
Forecast Valid:
8pm CST Nov 12, 2025-6pm CST Nov 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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