7-Day Forecast 43.3°N 89.71°W (Text-Only)
NWS Forecast for: Prairie du Sac WI
Issued by: National Weather Service Milwaukee, WI
Last Update: 7:33 am CST Feb 15, 2026
Print


  • Today

    Today: Sunny, with a high near 13. Northwest wind 5 to 10 km/h.

    High: 13 °C

    Sunny


  • Tonight

    Tonight: Partly cloudy, with a low around 2. West wind 5 to 10 km/h becoming south in the evening.

    Low: 2 °C

    Partly Cloudy


  • Washington's
    Birthday

    Washington's Birthday: Sunny, with a high near 16. Southwest wind 10 to 15 km/h becoming northwest 5 to 10 km/h in the afternoon.

    High: 16 °C

    Sunny


  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 1. Calm wind.

    Low: 1 °C

    Partly Cloudy


  • Tuesday

    Tuesday: Mostly cloudy, with a high near 11. East wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.

    High: 11 °C

    Mostly Cloudy


  • Tuesday
    Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 6. East wind 15 to 25 km/h becoming south after midnight.  Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 6 °C

    Rain Likely


  • Wednesday

    Wednesday: A 40 percent chance of rain.  Mostly sunny, with a high near 14. South wind 15 to 20 km/h becoming west 20 to 25 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 14 °C

    Chance Rain


  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around -1. West wind 10 to 20 km/h.

    Low: -1 °C

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon.  Mostly sunny, with a high near 8.

    High: 8 °C

    Mostly Sunny
    then Chance
    Rain

  • Today: Sunny, with a high near 13. Northwest wind 5 to 10 km/h.

    Tonight: Partly cloudy, with a low around 2. West wind 5 to 10 km/h becoming south in the evening.

    Washington's Birthday: Sunny, with a high near 16. Southwest wind 10 to 15 km/h becoming northwest 5 to 10 km/h in the afternoon.

    Monday Night: Partly cloudy, with a low around 1. Calm wind.

    Tuesday: Mostly cloudy, with a high near 11. East wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 6. East wind 15 to 25 km/h becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    Wednesday: A 40 percent chance of rain. Mostly sunny, with a high near 14. South wind 15 to 20 km/h becoming west 20 to 25 km/h in the afternoon. Winds could gust as high as 45 km/h.

    Wednesday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around -1. West wind 10 to 20 km/h.

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 8.

    Thursday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around -3. Chance of precipitation is 50%.

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 2.

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around -7.

    Saturday: Mostly sunny, with a high near 0.



    Prairie du Sac WI
     43.3°N 89.71°W (Elev. 797 m)

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