Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

89°F

32°C

Humidity 65%
Wind Speed S 10 mph
Barometer 29.90 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 3 Aug 7:55 pm CDT
Extended Forecast for

Port Lavaca TX

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind 6 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms between 1pm and 5pm.  Sunny, with a high near 90. Heat index values as high as 106. Southwest wind 5 to 10 mph becoming east in the afternoon.  Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Partly cloudy, with a low around 80. Southeast wind 6 to 10 mph.  Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Sunny, with a high near 90. Heat index values as high as 105. Light southeast wind increasing to 5 to 10 mph in the afternoon.  Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. Southeast wind 6 to 11 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Sunny, with a high near 90. Light south wind becoming south southeast 6 to 11 mph in the morning.

    High: 90 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South southeast wind 6 to 11 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. South southeast wind 5 to 11 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 81. South southeast wind 8 to 13 mph.

    Low: 81 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 80. South wind 6 to 10 mph.
Monday
A slight chance of showers and thunderstorms between 1pm and 5pm. Sunny, with a high near 90. Heat index values as high as 106. Southwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 80. Southeast wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 90. Heat index values as high as 105. Light southeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 80. Southeast wind 6 to 11 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90. Light south wind becoming south southeast 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind 6 to 11 mph.
Thursday
Sunny, with a high near 90. South southeast wind 5 to 11 mph.
Thursday Night
Mostly clear, with a low around 81. South southeast wind 8 to 13 mph.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 81.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 80.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.61°W
4:51 pm CDT Aug 3, 2025
8pm CDT Aug 3, 2025-6pm CDT Aug 10, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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