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.

A Few Clouds

51°F

11°C

Humidity 56%
Wind Speed E 12 mph
Barometer 30.27 in (1025.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 21 May 8:53 pm CDT
Extended Forecast for

Butte Des Morts WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. East wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60. East wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 64. East wind 7 to 9 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. East wind around 6 mph becoming light and variable after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 71.

    High: 71 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. East wind 8 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 60. East wind 10 to 16 mph, with gusts as high as 28 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 64. East wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 50. East wind around 6 mph becoming light and variable after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 52.
Memorial Day
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Butte Des Morts WI
 44.06°N 88.65°W (Elev. 748 ft)
Last Update:
9:21 pm CDT May 21, 2026
Forecast Valid:
9pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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