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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

70°F

21°C

Humidity 52%
Wind Speed E 15 mph
Barometer 30.17 in
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 18 Mar 4:15 pm CDT
Extended Forecast for

7 Miles SE Port Lavaca TX

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southeast wind 6 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. South southwest wind 5 to 11 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60. South wind 6 to 10 mph.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. South southwest wind 6 to 14 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63. South wind 7 to 11 mph.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78. South southwest wind 6 to 15 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 64. South wind 13 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. South wind 11 to 17 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 63. South southeast wind 9 to 15 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southeast wind 6 to 10 mph.
Thursday
Sunny, with a high near 75. South southwest wind 5 to 11 mph.
Thursday Night
Clear, with a low around 60. South wind 6 to 10 mph.
Friday
Sunny, with a high near 77. South southwest wind 6 to 14 mph.
Friday Night
Clear, with a low around 63. South wind 7 to 11 mph.
Saturday
Sunny, with a high near 78. South southwest wind 6 to 15 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 64. South wind 13 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 78. South wind 11 to 17 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 63. South southeast wind 9 to 15 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Port Lavaca TX
 28.56°N 96.53°W
Last Update:
1:51 pm CDT Mar 18, 2026
Forecast Valid:
4pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation