7-Day Forecast 43.6°N 89.78°W (Text-Only)
NWS Forecast for: Lake Delton WI
Issued by: National Weather Service Milwaukee, WI
Last Update: 9:39 pm CDT Jun 20, 2025
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  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm.  Partly cloudy, with a low around 75. South wind 10 to 15 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 95 °F

    Hot and
    Breezy

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 78. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear


  • Sunday

    Sunday: Sunny and hot, with a high near 95. Heat index values as high as 102. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot


  • Sunday
    Night

    Sunday Night: Clear, with a low around 77. South wind 10 to 15 mph.

    Low: 77 °F

    Clear


  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 93. Southwest wind 10 to 15 mph.

    High: 93 °F

    Sunny then
    Chance
    Showers

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 68. West wind 5 to 10 mph becoming light northwest  in the evening.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 81. North wind around 5 mph becoming east in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Tuesday
    Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers




  • Tonight: Isolated showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. South wind 10 to 15 mph. Chance of precipitation is 20%.

    Saturday: Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Saturday Night: Mostly clear, with a low around 78. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Sunday: Sunny and hot, with a high near 95. Heat index values as high as 102. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Sunday Night: Clear, with a low around 77. South wind 10 to 15 mph.

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93. Southwest wind 10 to 15 mph.

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. West wind 5 to 10 mph becoming light northwest in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Tuesday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.

    Wednesday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.



    Lake Delton WI
     43.6°N 89.78°W (Elev. 886 ft)

    Visit your local NWS office at: https://www.weather.gov/mkx