Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

74°F

23°C

Humidity 94%
Wind Speed SE 9 mph
Barometer 29.88 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Apr 10:35 pm CDT
Extended Forecast for

2 Miles N Port Lavaca TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. South southeast wind 14 to 20 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 79. Southeast wind 11 to 13 mph.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am.  Cloudy, with a low around 60. North wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 68. Northeast wind 16 to 23 mph, with gusts as high as 28 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 62. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 10am.  Mostly cloudy, with a high near 69. Northeast wind 14 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Cloudy, with a low around 67. East wind 10 to 16 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 72. East southeast wind 10 to 17 mph, with gusts as high as 23 mph.

    High: 72 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. East southeast wind 9 to 17 mph, with gusts as high as 21 mph.

    Low: 70 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. South southeast wind 14 to 20 mph, with gusts as high as 23 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 79. Southeast wind 11 to 13 mph.
Saturday Night
A slight chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 60. North wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 68. Northeast wind 16 to 23 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 69. Northeast wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 67. East wind 10 to 16 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. East southeast wind 10 to 17 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East southeast wind 9 to 17 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 71.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 73.
Friday
Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Port Lavaca TX
 28.65°N 96.61°W
1:46 pm CDT Apr 17, 2026
10pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database