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

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed S 12 G 18 mph
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 9 Jun 2:15 am CDT
Extended Forecast for

Lewisville TX

  • Overnight

    Overnight: Mostly clear, with a low around 77. South wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. South wind around 10 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny during the morning, then sunny during the afternoon, with a high near 95. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 97. South wind around 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. South wind around 5 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. East southeast wind 5 to 10 mph becoming south after midnight.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 77. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 94. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 78. South wind around 10 mph.
Wednesday
Partly sunny during the morning, then sunny during the afternoon, with a high near 95. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 97. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind around 10 mph.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. South wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. East southeast wind 5 to 10 mph becoming south after midnight.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
Last Update:
1:26 am CDT Jun 9, 2026
Forecast Valid:
3am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation