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

86°F

30°C

Humidity 40%
Wind Speed S 9 G 18 mph
Barometer 29.85 in
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Heat Index85°F (29°C)
Last update 26 May 2:47 pm CDT
Extended Forecast for

Lewisville TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 70. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 85 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. South southwest wind around 5 mph becoming west northwest in the afternoon.

    High: 88 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. North wind around 5 mph becoming south after midnight.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind around 5 mph.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 70. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. South southwest wind around 5 mph becoming west northwest in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. North wind around 5 mph becoming south after midnight.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind around 5 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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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 26, 2026
Forecast Valid:
3pm CDT May 26, 2026-6pm CDT Jun 1, 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