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Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed E 2 mph
Barometer 29.92 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 10 Sep 11:15 pm CDT
Extended Forecast for

Lewisville TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 79. Southeast wind around 5 mph.

    Low: 79 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 98. Heat index values as high as 106. South southwest wind around 5 mph.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Clear, with a low around 80. South southeast wind around 10 mph.

    Low: 80 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Heat index values as high as 110. South wind around 10 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Sunday

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

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 80. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 79. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Heat index values as high as 106. South southwest wind around 5 mph.
Friday Night
Clear, with a low around 80. South southeast wind around 10 mph.
Saturday
Sunny and hot, with a high near 101. Heat index values as high as 110. South wind around 10 mph.
Saturday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 80. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 100. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 80. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
9:51 pm CDT Sep 10, 2026
11pm CDT Sep 10, 2026-6pm CDT Sep 17, 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