Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

60°F

16°C

Humidity 94%
Wind Speed SE 7 mph
Barometer 29.97 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 14 Mar 12:55 am CDT
Extended Forecast for

6 Miles SE Port Lavaca TX

  • Overnight

    Overnight: Mostly clear, with a low around 61. South southeast wind around 8 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. South southeast wind 6 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 66. South wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 80. South wind 13 to 20 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 46. Breezy, with a south wind 14 to 19 mph becoming north 21 to 26 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Monday

    Monday: Sunny, with a high near 59. Breezy, with a north wind 20 to 26 mph, with gusts as high as 36 mph.

    High: 59 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. North northeast wind 9 to 17 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 64. East northeast wind 9 to 15 mph, with gusts as high as 18 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. South southeast wind 10 to 15 mph.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. South southeast wind around 8 mph.
Saturday
Sunny, with a high near 76. South southeast wind 6 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 66. South wind 11 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 80. South wind 13 to 20 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46. Breezy, with a south wind 14 to 19 mph becoming north 21 to 26 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 59. Breezy, with a north wind 20 to 26 mph, with gusts as high as 36 mph.
Monday Night
Mostly cloudy, with a low around 45. North northeast wind 9 to 17 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 64. East northeast wind 9 to 15 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 55. South southeast wind 10 to 15 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 77.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Port Lavaca TX
 28.56°N 96.53°W
1:51 pm CDT Mar 13, 2026
1am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database