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.

Mostly Cloudy

68°F

20°C

Humidity 88%
Wind Speed S 9 G 18 mph
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 5 Mar 5:47 am CST
Extended Forecast for

Lewisville TX

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 63. West wind 10 to 15 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. North wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 68. North wind around 5 mph.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. East northeast wind around 5 mph becoming south after midnight.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 63. West wind 10 to 15 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. North wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 68. North wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. East northeast wind around 5 mph becoming south after midnight.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 71.
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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:
5:12 am CST Mar 5, 2026
Forecast Valid:
6am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation