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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

78°F

26°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.94 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 Jun 11:55 pm CDT
Extended Forecast for

Port Lavaca TX

  • Overnight

    Overnight: Mostly clear, with a low around 79. South wind around 11 mph, with gusts as high as 18 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Heat index values as high as 106. South wind 13 to 17 mph, with gusts as high as 23 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.

    Low: 80 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. South southeast wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. South southeast wind 13 to 18 mph, with gusts as high as 24 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. South southeast wind 11 to 17 mph, with gusts as high as 22 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. Southeast wind 8 to 16 mph, with gusts as high as 21 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 79. South wind around 11 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 90. Heat index values as high as 106. South wind 13 to 17 mph, with gusts as high as 23 mph.
Friday Night
Increasing clouds, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 11 to 17 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 90. South southeast wind 11 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 81. South southeast wind 13 to 18 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 89. South southeast wind 11 to 17 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 79. Southeast wind 8 to 16 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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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 pm CDT Jun 25, 2026
Forecast Valid:
12am CDT Jun 26, 2026-6pm CDT Jul 2, 2026
 
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Additional Resources

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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