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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. 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

98°F

37°C

Humidity 34%
Wind Speed SE 7 mph
Barometer 29.83 in (1009.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 6 Sep 5:53 pm CDT
Extended Forecast for

Southlake TX

Heat Advisory September 6, 06:06pm until September 7, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 6, 06:06pm until September 7, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 80 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny and hot, with a high near 101. Heat index values as high as 106. Light south wind becoming southeast 5 to 10 mph in the afternoon.

    High: 101 °F

    Hot

  • Monday Night

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

    Low: 81 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. South southeast wind 5 to 15 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South southeast wind around 10 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Labor Day
Sunny and hot, with a high near 101. Heat index values as high as 106. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 81. South southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 81. South southeast wind 5 to 15 mph.
Wednesday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind around 10 mph.
Thursday
Sunny and hot, with a high near 99. South wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 80. South southeast wind around 10 mph.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 79.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Mostly sunny, with a high near 97.
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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:
1:26 pm CDT Sep 6, 2026
Forecast Valid:
6pm CDT Sep 6, 2026-6pm CDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation