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.

Fair

62°F

17°C

Humidity 29%
Wind Speed S 9 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 29 Mar 5:53 pm CDT
Extended Forecast for

2 Miles SSE Green Lake WI

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Southwest wind 10 to 15 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 67. South wind 5 to 10 mph becoming northeast in the morning.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 42. East wind 10 to 15 mph.

    Low: 42 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of rain and thunderstorms before 10am, then rain likely and possibly a thunderstorm between 10am and 4pm. Mostly cloudy, with a high near 57. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 32. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Northeast wind around 15 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely before 4am, then snow and freezing rain likely. Mostly cloudy, with a low around 29. Windy, with a northeast wind 20 to 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 29 °F

    Chance Snow
    and Blustery
    then Wintry
    Mix Likely
    and Windy

  • Thursday

    Thursday: Snow and freezing rain likely before 10am, then rain and snow likely. Mostly cloudy, with a high near 40. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Wintry Mix
    Likely and
    Windy

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 29. Blustery. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Tonight
Increasing clouds, with a low around 43. Southwest wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 67. South wind 5 to 10 mph becoming northeast in the morning.
Monday Night
A 50 percent chance of rain and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 42. East wind 10 to 15 mph.
Tuesday
A chance of rain and thunderstorms before 10am, then rain likely and possibly a thunderstorm between 10am and 4pm. Mostly cloudy, with a high near 57. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 32. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 45. Northeast wind around 15 mph.
Wednesday Night
Snow likely before 4am, then snow and freezing rain likely. Mostly cloudy, with a low around 29. Windy, with a northeast wind 20 to 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Snow and freezing rain likely before 10am, then rain and snow likely. Mostly cloudy, with a high near 40. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Blustery. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 60%.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 50. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
6:31 pm CDT Mar 29, 2026
Forecast Valid:
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation