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.

Fog/Mist

71°F

22°C

Humidity 96%
Wind Speed SW 6 mph
Barometer 29.95 in (1012.7 mb)
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 16 Aug 2:53 am CDT
Extended Forecast for

Butte Des Morts WI

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 71. Light southwest wind.

    Low: 71 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 83. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 83 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. North northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. West wind 3 to 8 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 65. Southwest wind 5 to 9 mph.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 71. Light southwest wind.
Sunday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 83. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 61. North northwest wind 5 to 10 mph becoming light north after midnight.
Monday
Sunny, with a high near 81. West wind 3 to 8 mph.
Monday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 65. Southwest wind 5 to 9 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Butte Des Morts WI
 44.08°N 88.62°W (Elev. 751 ft)
Last Update:
2:41 am CDT Aug 16, 2026
Forecast Valid:
3am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation