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

Hazardous Weather Conditions

Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Thunderstorm in Vicinity Light Rain

82°F

28°C

Humidity 51%
Wind Speed SE 14 mph
Barometer 29.94 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 May 3:47 pm CDT
Extended Forecast for

Lewisville TX

  • Memorial Day

    Memorial Day: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind around 5 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 70. East wind around 5 mph.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

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

    High: 85 °F

    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 70. Southeast wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind around 5 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm after midnight.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind around 5 mph becoming northwest in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. North northeast 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. Mostly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 88 °F

    Slight Chance
    T-storms

Detailed Forecast

Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 70. East wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly 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 70. Southeast wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm after midnight.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind around 5 mph becoming northwest in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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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:
3:37 pm CDT May 25, 2026
Forecast Valid:
4pm CDT May 25, 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