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

54°F

12°C

Humidity 53%
Wind Speed NE 8 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 30 Mar 10:53 am CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Today

    Today: Sunny, with a high near 71. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: A chance of rain before 10pm, then a chance of rain and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 42. Northeast wind 5 to 15 mph. Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Rain and thunderstorms before 4pm, then a chance of rain. High near 51. Northeast wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. North wind 10 to 15 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after 1pm. Partly sunny, with a high near 42. Northeast wind around 15 mph.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely before 1am, then rain, snow, and freezing rain between 1am and 4am, then freezing rain, possibly mixed with snow after 4am. Low around 30. Windy, with a northeast wind 20 to 25 mph. Chance of precipitation is 80%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow Likely
    and Blustery
    then Wintry
    Mix and Windy

  • Thursday

    Thursday: Freezing rain, possibly mixed with snow before 7am, then rain and freezing rain, possibly mixed with snow between 7am and 1pm, then rain after 1pm. High near 41. Windy, with a northeast wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 41 °F

    Wintry Mix
    and Windy

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain Likely
    and Breezy

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 71. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tonight
A chance of rain before 10pm, then a chance of rain and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 42. Northeast wind 5 to 15 mph. Chance of precipitation is 50%.
Tuesday
Rain and thunderstorms before 4pm, then a chance of rain. High near 51. Northeast wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 29. North wind 10 to 15 mph.
Wednesday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 42. Northeast wind around 15 mph.
Wednesday Night
Snow likely before 1am, then rain, snow, and freezing rain between 1am and 4am, then freezing rain, possibly mixed with snow after 4am. Low around 30. Windy, with a northeast wind 20 to 25 mph. Chance of precipitation is 80%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow accumulation of 1 to 3 inches possible.
Thursday
Freezing rain, possibly mixed with snow before 7am, then rain and freezing rain, possibly mixed with snow between 7am and 1pm, then rain after 1pm. High near 41. Windy, with a northeast wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 45. Breezy.
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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:
10:33 am CDT Mar 30, 2026
Forecast Valid:
11am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation