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

51°F

11°C

Humidity 80%
Wind Speed Calm
Barometer 30.37 in (1028.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Oct 8:53 pm CDT
Extended Forecast for

Butte Des Morts WI

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 45. Light east wind.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Widespread dense fog, mainly before 10am. Otherwise, mostly sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Dense Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. East southeast wind around 6 mph becoming south southwest after midnight.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 67. South southwest wind 3 to 5 mph.

    High: 67 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 45. Light east wind.
Tuesday
Widespread dense fog, mainly before 10am. Otherwise, mostly sunny, with a high near 65. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 44. East southeast wind around 6 mph becoming south southwest after midnight.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 67. South southwest wind 3 to 5 mph.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 48. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 65.
Thursday Night
Clear, with a low around 49.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Butte Des Morts WI
 44.08°N 88.65°W (Elev. 748 ft)
Last Update:
8:36 pm CDT Oct 19, 2026
Forecast Valid:
9pm CDT Oct 19, 2026-6pm CDT Oct 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation