Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fog/Mist

80°F

27°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.05 in
Dewpoint 78°F (26°C)
Visibility 1.50 mi
Heat Index86°F (30°C)
Last update 17 Aug 11:35 pm CDT
Extended Forecast for

5 Miles E Seadrift TX

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind 3 to 5 mph.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Heat index values as high as 106. Light southwest wind becoming south 6 to 11 mph in the morning.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind 7 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Heat index values as high as 106. South southwest wind 7 to 13 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 80. South southeast wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 80 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 93. South wind 7 to 11 mph.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. South southeast wind 7 to 11 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93. South southwest wind 5 to 11 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 80. South wind 6 to 10 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 80. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 92. Heat index values as high as 106. Light southwest wind becoming south 6 to 11 mph in the morning.
Tuesday Night
Mostly clear, with a low around 80. South wind 7 to 10 mph.
Wednesday
Sunny, with a high near 92. Heat index values as high as 106. South southwest wind 7 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 80. South southeast wind 8 to 11 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 93. South wind 7 to 11 mph.
Thursday Night
Mostly clear, with a low around 80. South southeast wind 7 to 11 mph.
Friday
Mostly sunny, with a high near 93. South southwest wind 5 to 11 mph.
Friday Night
Mostly clear, with a low around 80. South wind 6 to 10 mph.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 80.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 80.
Monday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Seadrift TX
 28.42°N 96.63°W
1:46 pm CDT Aug 17, 2026
11pm CDT Aug 17, 2026-6pm CDT Aug 24, 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