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Hazardous Weather Conditions

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

77°F

25°C

Humidity 99%
Wind Speed SW 3 mph
Barometer 29.95 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 23 Aug 2:35 am CDT
Extended Forecast for

4 Miles ENE La Salle TX

Heat Advisory August 23, 02:48am until August 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 23, 02:48am until August 24, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 107. West wind 5 to 10 mph becoming south in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 106. Southwest wind 5 to 15 mph becoming south in the afternoon.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 79.

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 78. Southwest wind around 5 mph.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 107. West wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Monday
Sunny, with a high near 96. Heat index values as high as 106. Southwest wind 5 to 15 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 79. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Clear, with a low around 79.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Clear, with a low around 79.
Thursday
Sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 79.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 79.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE La Salle TX
 28.78°N 96.56°W (Elev. 20 ft)
Last Update:
1:21 am CDT Aug 23, 2026
Forecast Valid:
2am CDT Aug 23, 2026-6pm CDT Aug 29, 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