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.

Fair

79°F

26°C

Humidity 65%
Wind Speed S 6 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 23 May 9:35 pm CDT
Extended Forecast for

Lewisville TX

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. East wind around 5 mph becoming west northwest after midnight.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. East northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. East northeast wind around 5 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. East northeast wind 5 to 10 mph becoming light southeast after midnight.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Southeast wind around 5 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 71. Southeast wind around 5 mph. Chance of precipitation is 80%.

    Low: 71 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. South wind around 5 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. East wind around 5 mph becoming west northwest after midnight.
Sunday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. East northeast wind around 5 mph becoming calm in the evening.
Memorial Day
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. East northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 68. East northeast wind 5 to 10 mph becoming light southeast after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Southeast wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 71. Southeast wind around 5 mph. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. South wind around 5 mph. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 10 mph.
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. Mostly clear, with a low around 72.
Friday
Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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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:
6:31 pm CDT May 23, 2026
Forecast Valid:
9pm CDT May 23, 2026-6pm CDT May 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation