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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

66°F

19°C

Humidity 100%
Wind Speed S 8 mph
Barometer 29.93 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Mar 6:15 am CDT
Extended Forecast for

7 Miles SE Port Lavaca TX

  • Today

    Today: Sunny, with a high near 79. South wind 10 to 17 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 63. South wind 6 to 13 mph.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 80. Light south southeast wind becoming southeast 6 to 11 mph in the morning.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light southeast wind becoming south southeast 8 to 13 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Southeast wind 6 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. South southeast wind 6 to 15 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. South southeast wind 10 to 15 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. South wind 9 to 16 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. South wind 10 to 17 mph, with gusts as high as 23 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 63. South wind 6 to 13 mph.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 80. Light south southeast wind becoming southeast 6 to 11 mph in the morning.
Monday Night
Mostly clear, with a low around 64. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Tuesday
Mostly sunny, with a high near 79. Light southeast wind becoming south southeast 8 to 13 mph in the morning.
Tuesday Night
Mostly clear, with a low around 65. Southeast wind 6 to 10 mph.
Wednesday
Sunny, with a high near 79. South southeast wind 6 to 15 mph.
Wednesday Night
Mostly clear, with a low around 65. South southeast wind 10 to 15 mph.
Thursday
Sunny, with a high near 78. South wind 9 to 16 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 76.
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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:
1:46 am CDT Mar 22, 2026
Forecast Valid:
6am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
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