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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. Rounds of heavy rainfall may cause impactful flash flooding in parts of southern Kansas and Missouri. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Partly Cloudy with Haze

90°F

32°C

Humidity 67%
Wind Speed S 9 mph
Barometer 29.98 in
Dewpoint 78°F (26°C)
Visibility 6.00 mi
Heat Index104°F (40°C)
Last update 25 Jun 2:55 pm CDT
Extended Forecast for

Port Lavaca TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Heat index values as high as 103. South southeast wind around 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Heat index values as high as 106. South wind 13 to 17 mph, with gusts as high as 23 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.

    Low: 80 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 90. South wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. South southeast wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. South southeast wind 13 to 18 mph, with gusts as high as 24 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. South southeast wind 11 to 17 mph, with gusts as high as 22 mph.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Heat index values as high as 103. South southeast wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 79. South wind 11 to 14 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 90. Heat index values as high as 106. South wind 13 to 17 mph, with gusts as high as 23 mph.
Friday Night
Increasing clouds, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 90. South wind 11 to 17 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 80. South southeast wind 11 to 16 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 90. South southeast wind 11 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 81. South southeast wind 13 to 18 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 89. South southeast wind 11 to 17 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
Last Update:
1:51 pm CDT Jun 25, 2026
Forecast Valid:
3pm CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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