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.

A Few Clouds

88°F

31°C

Humidity 35%
Wind Speed W 3 mph
Barometer 29.83 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 22 May 4:55 pm CDT
Extended Forecast for

Lewisville TX

  • Tonight

    Tonight: A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 68. South southeast wind around 5 mph becoming east after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then a slight chance of showers and thunderstorms after 1pm. Cloudy during the morning, then mostly sunny during the afternoon, with a high near 84. Northeast wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southeast wind around 5 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South southeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 68. South southeast wind around 5 mph becoming east after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms likely before 10am, then a slight chance of showers and thunderstorms after 1pm. Cloudy during the morning, then mostly sunny during the afternoon, with a high near 84. Northeast wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm in the evening.
Memorial Day
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southeast wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South southeast wind around 5 mph. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
Last Update:
1:26 pm CDT May 22, 2026
Forecast Valid:
5pm CDT May 22, 2026-6pm CDT May 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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