Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

26°F

-3°C

Humidity 63%
Wind Speed Calm
Barometer 30.18 in (1023.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 14 Mar 7:53 am CDT
Extended Forecast for

2 Miles SE Green Lake WI

Winter Storm Watch March 15, 04:00pm until March 16, 07:00pm
Winter Weather Advisory March 14, 07:00pm until March 15, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory
  • Today

    Today: A 30 percent chance of snow after 4pm.  Mostly cloudy, with a high near 39. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 39 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Snow before 2am, then snow and sleet between 2am and 4am, then rain or freezing rain likely after 4am.  Patchy blowing snow between 10pm and 2am. Low around 28. Windy, with an east wind 15 to 25 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: Rain and freezing rain, possibly mixed with sleet before 2pm, then rain, snow, freezing rain, and sleet.  High near 35. Windy, with an east wind 25 to 30 mph becoming northeast in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible.  New snow and sleet accumulation of less than a half inch possible.

    High: 35 °F

    Wintry Mix
    and Windy

  • Sunday Night

    Sunday Night: Snow, freezing rain, and sleet, becoming all snow after 10pm. The snow could be heavy at times.  Widespread blowing snow after 10pm. Low around 16. Wind chill values between zero and 10. Very windy, with a north wind 30 to 35 mph, with gusts as high as 45 mph.  Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of 4 to 6 inches possible.

    Low: 16 °F

    Wintry Mix
    and Blowing
    Snow then
    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly before 1pm.  Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 20. Very windy, with a northwest wind 30 to 35 mph, with gusts as high as 45 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 20 °F

    Snow Likely
    and Blowing
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Windy, with a northwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph.

    Low: 2 °F

    Decreasing
    Clouds and
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21. West wind 5 to 15 mph.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am.  Mostly cloudy, with a low around 12. South wind 10 to 15 mph.  Chance of precipitation is 60%.

    Low: 12 °F

    Snow Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow before 1pm.  Mostly cloudy, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 30 percent chance of snow after 4pm. Mostly cloudy, with a high near 39. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
Snow before 2am, then snow and sleet between 2am and 4am, then rain or freezing rain likely after 4am. Patchy blowing snow between 10pm and 2am. Low around 28. Windy, with an east wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 2 inches possible.
Sunday
Rain and freezing rain, possibly mixed with sleet before 2pm, then rain, snow, freezing rain, and sleet. High near 35. Windy, with an east wind 25 to 30 mph becoming northeast in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Sunday Night
Snow, freezing rain, and sleet, becoming all snow after 10pm. The snow could be heavy at times. Widespread blowing snow after 10pm. Low around 16. Wind chill values between zero and 10. Very windy, with a north wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 4 to 6 inches possible.
Monday
Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 20. Very windy, with a northwest wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Windy, with a northwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph.
Tuesday
Mostly sunny, with a high near 21. West wind 5 to 15 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 12. South wind 10 to 15 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
7:34 am CDT Mar 14, 2026
8am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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