Hazardous Weather Conditions
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 Index | 104°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
Today

High: 96 °F
Mostly Sunny
Tonight

Low: 79 °F
Partly Cloudy
Sunday

High: 96 °F
Slight Chance
T-stormsSunday Night

Low: 79 °F
Mostly Clear
Monday

High: 95 °F
Chance
T-stormsMonday Night

Low: 78 °F
Mostly Clear
Tuesday

High: 96 °F
Slight Chance
T-stormsTuesday Night

Low: 77 °F
Mostly Clear
Wednesday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NW La Salle TX
28.78°N 96.66°W (Elev. 30 ft)
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



