Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Overcast

89°F

32°C

Humidity 72%
Wind Speed S 14 mph
Barometer 29.92 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 12 Sep 9:55 am CDT
Extended Forecast for

3 Miles NW La Salle TX

Heat Advisory September 12, 12:00pm until September 12, 06:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny, with a high near 96. Heat index values as high as 110. South wind around 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 79. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 96. Heat index values as high as 109. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 96 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 95. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Sunny, with a high near 96.

    High: 96 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 95.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 96. Heat index values as high as 110. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 79. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 109. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW La Salle TX
 28.78°N 96.66°W (Elev. 30 ft)
7:20 am CDT Sep 12, 2026
10am CDT Sep 12, 2026-6pm CDT Sep 18, 2026
 
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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