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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

59°F

15°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.12 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Mar 2:15 am CDT
Extended Forecast for

7 Miles SE Port Lavaca TX

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 60. South southwest wind around 6 mph.

    Low: 60 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 78. South wind 6 to 14 mph, with gusts as high as 18 mph.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 63. South wind 8 to 11 mph.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 79. South southwest wind 7 to 16 mph, with gusts as high as 21 mph.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. South southwest wind 9 to 17 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 63. South southeast wind 7 to 13 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. South wind 6 to 11 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Southeast wind 6 to 13 mph.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 60. South southwest wind around 6 mph.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 78. South wind 6 to 14 mph, with gusts as high as 18 mph.
Friday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 63. South wind 8 to 11 mph.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 79. South southwest wind 7 to 16 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 63. South wind 10 to 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 79. South southwest wind 9 to 17 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 63. South southeast wind 7 to 13 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 80. South wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 64. Southeast wind 6 to 13 mph.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Port Lavaca TX
 28.56°N 96.53°W
Last Update:
1:51 am CDT Mar 20, 2026
Forecast Valid:
2am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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Chance of Precipitation