Hazardous Weather Conditions
Current conditions at
Port Lavaca - Calhoun County Airport (KPKV)
Lat: 28.65°NLon: 96.68°WElev: 27ft.
Overcast
81°F
27°C
| Humidity | 94% |
| Wind Speed | S 5 mph |
| Barometer | 29.98 in |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 26 Aug 12:15 am CDT |
Extended Forecast for
3 Miles SE Vanderbilt TX
Heat Advisory August 26, 12:25am until August 26, 07:00pm
NOW until 7:00pm Wed

Heat Advisory
Overnight

Low: 77 °F
Mostly Clear
Wednesday

High: 98 °F
Hot
Wednesday Night

Low: 77 °F
Mostly Clear
Thursday
High: 99 °F
Mostly Sunny
then Slight
Chance
T-stormsThursday Night
Low: 79 °F
Slight Chance
T-storms then
Slight Chance
ShowersFriday
High: 99 °F
Sunny then
Slight Chance
T-stormsFriday Night

Low: 78 °F
Mostly Clear
Saturday
High: 97 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 98. Heat index values as high as 106. Light and variable wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind around 5 mph becoming south in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 78.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97.
Saturday Night
Clear, with a low around 77.
Sunday
Sunny, with a high near 96.
Sunday Night
Clear, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Monday Night
Clear, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Vanderbilt TX
28.83°N 96.61°W (Elev. 26 ft)
28.83°N 96.61°W (Elev. 26 ft)
7:20 pm CDT Aug 25, 2026
12am CDT Aug 26, 2026-6pm CDT Sep 1, 2026



