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

Severe Weather Across the Southeast; Fire Weather Concerns; Record Warmth for the West

Severe thunderstorms will continue today across portions of the Southeast as this system tracks offshore. Meanwhile, dry and breezy conditions will increase fire weather concerns for areas of central Florida today; The threat shifts into portions of the northern Plains on Friday. Record warmth will spread for the southern Plains, Southwest, central Great Basin and interior California next week. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Overcast

67°F

19°C

Humidity 88%
Wind Speed N 14 mph
Barometer 29.95 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 7 May 8:35 am CDT
Extended Forecast for

Port Lavaca TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. North northeast wind 13 to 16 mph, with gusts as high as 21 mph.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. East northeast wind 9 to 13 mph.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 77. Northeast wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. East southeast wind 7 to 11 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. East northeast wind 7 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Partly cloudy, with a low around 72. East southeast wind 5 to 9 mph becoming light after midnight. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Light southeast wind becoming east southeast 5 to 9 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. Southeast wind 6 to 11 mph becoming light and variable.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. North wind 11 to 13 mph.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. North northeast wind 13 to 16 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. East northeast wind 9 to 13 mph.
Friday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 77. Northeast wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. East southeast wind 7 to 11 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. East northeast wind 7 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Partly cloudy, with a low around 72. East southeast wind 5 to 9 mph becoming light after midnight. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 81. Light southeast wind becoming east southeast 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. Southeast wind 6 to 11 mph becoming light and variable.
Monday
Partly sunny, with a high near 80. North wind 11 to 13 mph.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 71.
Wednesday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.61°W
Last Update:
6:41 am CDT May 7, 2026
Forecast Valid:
8am CDT May 7, 2026-6pm CDT May 13, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation