Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

74°F

23°C

Humidity 99%
Wind Speed SE 12 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 13 Apr 7:15 am CDT
Extended Forecast for

7 Miles SE Port Lavaca TX

  • Today

    Today: Partly sunny, with a high near 80. Heat index values as high as 84. South southeast wind 10 to 18 mph, with gusts as high as 22 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Heat index values as high as 85. South southeast wind 10 to 18 mph, with gusts as high as 23 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southeast wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. South southeast wind 11 to 18 mph, with gusts as high as 23 mph.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. South southeast wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. South southeast wind 9 to 17 mph, with gusts as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 82. South southeast wind 16 to 23 mph, with gusts as high as 29 mph.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 80. Heat index values as high as 84. South southeast wind 10 to 18 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 71. Southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 81. Heat index values as high as 85. South southeast wind 10 to 18 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 70. Southeast wind 11 to 15 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 81. South southeast wind 11 to 18 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 71. South southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 82. South southeast wind 9 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 72. South southeast wind around 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 82. South southeast wind 16 to 23 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 73.
Saturday
Mostly cloudy, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Port Lavaca TX
 28.56°N 96.53°W
1:46 am CDT Apr 13, 2026
7am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database