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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Partly Cloudy with Haze

95°F

35°C

Humidity 51%
Wind Speed Vrbl 5 mph
Barometer 29.78 in
Dewpoint 75°F (24°C)
Visibility 4.00 mi
Heat Index106°F (41°C)
Last update 2 Aug 5:15 pm CDT
Extended Forecast for

2 Miles N Port Lavaca TX

  • Tonight

    Tonight: Mostly clear, with a low around 80. South southeast wind 7 to 10 mph becoming southwest after midnight.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Heat index values as high as 103. Light and variable wind becoming south southeast 8 to 13 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 80. South wind 10 to 14 mph.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Heat index values as high as 105. South southeast wind 8 to 15 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. South southeast wind 9 to 15 mph, with gusts as high as 18 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. South southeast wind 8 to 15 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 81. South southeast wind 8 to 15 mph, with gusts as high as 18 mph.

    Low: 81 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. South wind 7 to 15 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 81. Southeast wind 7 to 15 mph, with gusts as high as 18 mph.

    Low: 81 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 80. South southeast wind 7 to 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 89. Heat index values as high as 103. Light and variable wind becoming south southeast 8 to 13 mph in the afternoon.
Monday Night
Mostly clear, with a low around 80. South wind 10 to 14 mph.
Tuesday
Sunny, with a high near 88. Heat index values as high as 105. South southeast wind 8 to 15 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 81. South southeast wind 9 to 15 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 88. South southeast wind 8 to 15 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 81. South southeast wind 8 to 15 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 88. South wind 7 to 15 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 81. Southeast wind 7 to 15 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 81.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 81.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Port Lavaca TX
 28.65°N 96.61°W
Last Update:
4:36 pm CDT Aug 2, 2026
Forecast Valid:
5pm CDT Aug 2, 2026-6pm CDT Aug 9, 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