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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

76°F

24°C

Humidity 96%
Wind Speed SE 7 mph
Barometer 30.03 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 18 Nov 8:55 pm CST
Extended Forecast for

Calhoun County Airport TX

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Southeast wind around 7 mph.

    Low: 70 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 11am and noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.

    High: 87 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 70. Southeast wind 7 to 10 mph.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. South southeast wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 87. South wind 6 to 10 mph. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind around 5 mph becoming light and variable in the evening.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Partly sunny, with a high near 84. North northeast wind 5 to 9 mph becoming east southeast in the afternoon.

    High: 84 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 67. East wind around 7 mph.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Southeast wind around 7 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 11am and noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 70. Southeast wind 7 to 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. South southeast wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 87. South wind 6 to 10 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind around 5 mph becoming light and variable in the evening.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 84. North northeast wind 5 to 9 mph becoming east southeast in the afternoon.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 67. East wind around 7 mph.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Monday
A 50 percent chance of showers. Mostly sunny, with a high near 82.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 62.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Calhoun County Airport TX
 28.65°N 96.69°W
Last Update:
11:26 am CST Nov 18, 2025
Forecast Valid:
9pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
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