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Current conditions at

Dallas/Fort Worth International Airport (KDFW)

Lat: 32.9°NLon: 97.02°WElev: 541ft.

Partly Cloudy

98°F

37°C

Humidity 34%
Wind Speed SE 13 G 22 mph
Barometer 29.96 in (1013.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 8 Sep 4:53 pm CDT
Extended Forecast for

Lewisville TX

Heat Advisory September 8, 05:15pm until September 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 8, 05:15pm until September 9, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Heat index values as high as 108. South southeast wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 100. Heat index values as high as 105. South wind around 5 mph becoming east southeast in the afternoon.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 80. Northeast wind around 5 mph becoming south after midnight.

    Low: 80 °F

    Partly Cloudy

  • Friday

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

    High: 100 °F

    Hot

  • Friday Night

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

    Low: 80 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. South wind around 10 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 108. South southeast wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 81. South wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 105. South wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 80. Northeast wind around 5 mph becoming south after midnight.
Friday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 80. South wind around 10 mph.
Saturday
Sunny and hot, with a high near 101. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 80. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 98.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
4:36 pm CDT Sep 8, 2026
5pm CDT Sep 8, 2026-6pm CDT Sep 15, 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