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

24°F

-4°C

Humidity 55%
Wind Speed SW 7 mph
Barometer 30.32 in (1029.6 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 4 Feb 3:53 pm CST
Extended Forecast for

2 Miles SE Green Lake WI

  • Tonight

    Tonight: A 20 percent chance of snow after 4am. Increasing clouds, with a low around 11. Southwest wind 5 to 10 mph.

    Low: 11 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: Snow, mainly before 11am. High near 32. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow after midnight. Mostly cloudy, with a low around 27. West wind 10 to 15 mph.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A slight chance of rain and snow before noon, then a slight chance of freezing rain between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 34 by 10am, then falling to around 25 during the remainder of the day. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 34 °F⇓

    Breezy.
    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 1. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 1 °F

    Mostly Clear
    and Blustery
    then Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 21. North wind 5 to 10 mph becoming south in the morning.

    High: 21 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 14. South wind 5 to 10 mph.

    Low: 14 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 32. South wind 5 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 20.

    Low: 20 °F

    Decreasing
    Clouds

Detailed Forecast

Tonight
A 20 percent chance of snow after 4am. Increasing clouds, with a low around 11. Southwest wind 5 to 10 mph.
Thursday
Snow, mainly before 11am. High near 32. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow after midnight. Mostly cloudy, with a low around 27. West wind 10 to 15 mph.
Friday
A slight chance of rain and snow before noon, then a slight chance of freezing rain between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 34 by 10am, then falling to around 25 during the remainder of the day. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 1. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Increasing clouds, with a high near 21. North wind 5 to 10 mph becoming south in the morning.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14. South wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 32. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 20.
Monday
Mostly cloudy, with a high near 39.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 24.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
2:22 pm CST Feb 4, 2026
Forecast Valid:
4pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation