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.

Overcast

40°F

4°C

Humidity 65%
Wind Speed N 17 mph
Barometer 30.13 in (1021.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 31 Mar 11:53 pm CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Northeast wind around 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39. Northeast wind 10 to 15 mph.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Rain showers and sleet likely before 2am, then rain showers between 2am and 3am, then rain or freezing rain after 3am. Low around 32. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. Little or no sleet accumulation expected.

    Low: 32 °F

    Breezy.
    Chance
    Rain/Sleet
    then
    Rain/Freezing
    Rain

  • Thursday

    Thursday: Rain or freezing rain, becoming all rain after 7am. Some thunder is also possible. High near 59. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

    High: 59 °F

    Rain/Freezing
    Rain and
    Breezy then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 37. Breezy, with a south wind around 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 55. West wind 5 to 15 mph becoming east in the afternoon.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 38. East wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 51. Breezy, with an east wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 51 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A chance of rain before 10pm, then a chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am. Mostly cloudy, with a low around 28. Breezy. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Northeast wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 39. Northeast wind 10 to 15 mph.
Wednesday Night
Rain showers and sleet likely before 2am, then rain showers between 2am and 3am, then rain or freezing rain after 3am. Low around 32. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. Little or no sleet accumulation expected.
Thursday
Rain or freezing rain, becoming all rain after 7am. Some thunder is also possible. High near 59. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 37. Breezy, with a south wind around 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 55. West wind 5 to 15 mph becoming east in the afternoon.
Friday Night
Showers and possibly a thunderstorm. Low around 38. East wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 51. Breezy, with an east wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A chance of rain before 10pm, then a chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am. Mostly cloudy, with a low around 28. Breezy. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 47. Breezy.
Sunday Night
Mostly clear, with a low around 28.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 53.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Tuesday
A 10 percent chance of snow. Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
11:52 pm CDT Mar 31, 2026
Forecast Valid:
11pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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