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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Dallas/Fort Worth International Airport (KDFW)

Lat: 32.9°NLon: 97.02°WElev: 541ft.

A Few Clouds

92°F

33°C

Humidity 37%
Wind Speed S 10 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 19 Aug 10:53 pm CDT
Extended Forecast for

Southlake TX

Extreme Heat Warning August 19, 11:01pm until August 20, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 11:01pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 82 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 105. South wind 5 to 10 mph.

    High: 105 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 105. Heat index values as high as 108. Southwest wind around 5 mph becoming south southeast in the afternoon.

    High: 105 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 81. East southeast wind around 5 mph becoming south after midnight.

    Low: 81 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 106. South southwest wind around 5 mph.

    High: 106 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 106. South wind around 5 mph.

    High: 106 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 82. South southwest wind around 10 mph.
Thursday
Sunny and hot, with a high near 105. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 105. Heat index values as high as 108. Southwest wind around 5 mph becoming south southeast in the afternoon.
Friday Night
Mostly clear, with a low around 81. East southeast wind around 5 mph becoming south after midnight.
Saturday
Sunny and hot, with a high near 106. South southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 106. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 82. South southeast wind around 10 mph.
Monday
Sunny and hot, with a high near 105.
Monday Night
Mostly clear, with a low around 82.
Tuesday
Sunny and hot, with a high near 105.
Tuesday Night
Mostly clear, with a low around 81.
Wednesday
Sunny and hot, with a high near 104.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Southlake TX
 32.93°N 97.13°W (Elev. 669 ft)
Last Update:
6:12 pm CDT Aug 19, 2026
Forecast Valid:
11pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation