Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

80°F

27°C

Humidity 92%
Wind Speed S 5 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 23 Aug 12:35 am CDT
Extended Forecast for

3 Miles SSW Long Mott TX

Heat Advisory August 23, 12:00pm until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

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

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Heat index values as high as 102. Light and variable wind becoming south southeast 6 to 11 mph in the morning.

    High: 92 °F

    Sunny

  • Sunday Night

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

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. Heat index values as high as 103. South southwest wind 7 to 13 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 81. South southeast wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 81 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. South southwest wind 7 to 13 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 81. South southeast wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. South southwest wind 7 to 13 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 81. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 80. South wind 7 to 10 mph.
Sunday
Sunny, with a high near 92. Heat index values as high as 102. Light and variable wind becoming south southeast 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 80. South wind 7 to 11 mph.
Monday
Sunny, with a high near 91. Heat index values as high as 103. South southwest wind 7 to 13 mph.
Monday Night
Mostly clear, with a low around 81. South southeast wind 9 to 13 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 91. South southwest wind 7 to 13 mph.
Tuesday Night
Clear, with a low around 81. South southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 90. South southwest wind 7 to 13 mph.
Wednesday Night
Clear, with a low around 81. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 81.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 81.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Long Mott TX
 28.42°N 96.79°W
4:46 pm CDT Aug 22, 2026
12am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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