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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

79°F

26°C

Humidity 69%
Wind Speed SW 10 mph
Barometer 29.87 in (1010.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 31 Aug 9:53 am CDT
Extended Forecast for

3 Miles SE Butte Des Morts WI

  • Today

    Today: Mostly sunny, with a high near 88. Heat index values as high as 94. Southwest wind around 9 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. South southwest wind around 6 mph becoming light and variable after midnight.

    Low: 71 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 87. Heat index values as high as 92. Calm wind becoming west southwest 5 to 9 mph in the morning.

    High: 87 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. West southwest wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 84. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 88. Heat index values as high as 94. Southwest wind around 9 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. South southwest wind around 6 mph becoming light and variable after midnight.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 87. Heat index values as high as 92. Calm wind becoming west southwest 5 to 9 mph in the morning.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. West southwest wind around 6 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Butte Des Morts WI
 44.06°N 88.59°W (Elev. 748 ft)
Last Update:
9:32 am CDT Aug 31, 2026
Forecast Valid:
10am CDT Aug 31, 2026-6pm CDT Sep 6, 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