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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Overcast and Breezy

79°F

26°C

Humidity 83%
Wind Speed SE 21 G 28 mph
Barometer 30.04 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 Apr 2:35 pm CDT
Extended Forecast for

Calhoun County Airport TX

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 81. Heat index values as high as 84. South southeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Mostly cloudy, with a low around 71. South southeast wind 10 to 17 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 9am. Partly sunny, with a high near 83. Heat index values as high as 87. South southeast wind 11 to 20 mph, with gusts as high as 25 mph.

    High: 83 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. South southeast wind 11 to 20 mph, with gusts as high as 26 mph.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 70. Southeast wind 13 to 17 mph, with gusts as high as 23 mph.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 84. South southeast wind 11 to 20 mph, with gusts as high as 26 mph.

    High: 84 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. South southeast wind 8 to 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. South southeast wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 81. Heat index values as high as 84. South southeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Mostly cloudy, with a low around 71. South southeast wind 10 to 17 mph, with gusts as high as 23 mph.
Monday
A 20 percent chance of showers and thunderstorms before 9am. Partly sunny, with a high near 83. Heat index values as high as 87. South southeast wind 11 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 83. South southeast wind 11 to 20 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 70. Southeast wind 13 to 17 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 84. South southeast wind 11 to 20 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 70. South southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 85. South southeast wind 8 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Partly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 71.
Saturday
Mostly cloudy, with a high near 85.
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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:
1:46 pm CDT Apr 12, 2026
Forecast Valid:
2pm CDT Apr 12, 2026-6pm CDT Apr 18, 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