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

41°F

5°C

Humidity 53%
Wind Speed SW 17 G 28 mph
Barometer 30.16 in (1021.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 29 Mar 2:53 am CDT
Extended Forecast for

Butte Des Morts WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. South southwest wind 6 to 8 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. South southwest wind 5 to 11 mph becoming east in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 44. East wind around 10 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. South southwest wind around 10 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 61. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 42. South southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 66. South southwest wind 5 to 11 mph becoming east in the afternoon.
Monday Night
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 44. East wind around 10 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Tuesday Night
A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Butte Des Morts WI
 44.11°N 88.65°W (Elev. 774 ft)
Last Update:
2:31 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation