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Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Light Rain

61°F

16°C

Humidity 92%
Wind Speed NE 8 mph
Barometer 30.17 in
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 20 Apr 7:15 am CDT
Extended Forecast for

Port Lavaca TX

  • Today

    Today: Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 69. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. East wind 9 to 13 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. East southeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind 7 to 14 mph, with gusts as high as 18 mph.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Southeast wind 6 to 14 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Southeast wind 8 to 13 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83. South southeast wind 8 to 17 mph, with gusts as high as 22 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 72. South southeast wind 11 to 16 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 84. South southeast wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 84 °F

    Partly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 69. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. East wind 9 to 13 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. East southeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind 7 to 14 mph, with gusts as high as 18 mph.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Southeast wind 6 to 14 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 69. Southeast wind 8 to 13 mph.
Thursday
Mostly sunny, with a high near 83. South southeast wind 8 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 72. South southeast wind 11 to 16 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 84. South southeast wind 11 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 72.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 72.
Sunday
Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
Last Update:
1:51 am CDT Apr 20, 2026
Forecast Valid:
7am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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