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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

70°F

21°C

Humidity 51%
Wind Speed Calm
Barometer 29.98 in (1014.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 24 May 7:53 pm CDT
Extended Forecast for

Butte Des Morts WI

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly clear, with a low around 57. South southwest wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Memorial Day

    Memorial Day: A 20 percent chance of showers between 11am and noon. Mostly sunny, with a high near 83. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 83 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. West southwest wind around 9 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. West southwest wind 5 to 7 mph becoming light and variable in the evening.

    Low: 61 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly clear, with a low around 57. South southwest wind 3 to 6 mph.
Memorial Day
A 20 percent chance of showers between 11am and noon. Mostly sunny, with a high near 83. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 63. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 88. West southwest wind around 9 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. West southwest wind 5 to 7 mph becoming light and variable in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 77.
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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:
8:31 pm CDT May 24, 2026
Forecast Valid:
8pm CDT May 24, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation