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

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

46°F

8°C

Humidity 77%
Wind Speed E 6 mph
Barometer 29.96 in (1015.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 31 Mar 6:53 pm CDT
Extended Forecast for

Butte Des Morts WI

  • Tonight

    Tonight: Partly cloudy, with a low around 31. North wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. East northeast wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow before 9pm, then rain likely between 9pm and 1am, then rain, possibly mixed with freezing rain after 1am. Low around 33. East northeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Rain/Freezing
    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 54. East wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 36. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    T-storms then
    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 35. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. North wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 39. East northeast wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of snow before 9pm, then rain likely between 9pm and 1am, then rain, possibly mixed with freezing rain after 1am. Low around 33. East northeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow accumulation expected.
Thursday
Rain and possibly a thunderstorm. High near 54. East wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Thursday Night
A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 36. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain after 1pm. Mostly sunny, with a high near 52.
Friday Night
Rain and possibly a thunderstorm. Low around 35. Chance of precipitation is 90%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 30.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 51.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Butte Des Morts WI
 44.11°N 88.65°W (Elev. 774 ft)
Last Update:
6:06 pm CDT Mar 31, 2026
Forecast Valid:
6pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation