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.

Mostly Cloudy

2°F

-17°C

Humidity 88%
Wind Speed W 3 mph
Barometer 30.37 in (1031.4 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 8 Dec 4:53 am CST
Extended Forecast for

2 Miles SSE Green Lake WI

  • Overnight

    Overnight: Mostly cloudy, with a low around -5. Calm wind.

    Low: -5 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of flurries before 7am. Mostly cloudy, with a high near 22. Wind chill values between -5 and 5. Light and variable wind becoming south 10 to 15 mph in the morning.

    High: 22 °F

    Slight Chance
    Flurries

  • Monday Night

    Monday Night: Snow, mainly before 4am. Temperature rising to around 25 by 5am. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 18 °F⇑

    Breezy. Snow
    Likely then
    Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly after 3pm. Cloudy, with a high near 32. West wind 10 to 15 mph.

    High: 32 °F

    Cloudy then
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Steady temperature around 32. Windy, with a south wind 15 to 25 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 32 °F

    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature falling to around 22 by 5pm. Windy, with a northwest wind 15 to 25 mph.

    High: 29 °F⇓

    Chance Snow
    and Windy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1. Northwest wind 10 to 15 mph.

    Low: 1 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 16. West wind 5 to 10 mph.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around -5. Calm wind.
Monday
A slight chance of flurries before 7am. Mostly cloudy, with a high near 22. Wind chill values between -5 and 5. Light and variable wind becoming south 10 to 15 mph in the morning.
Monday Night
Snow, mainly before 4am. Temperature rising to around 25 by 5am. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday
A 50 percent chance of snow, mainly after 3pm. Cloudy, with a high near 32. West wind 10 to 15 mph.
Tuesday Night
Snow before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Steady temperature around 32. Windy, with a south wind 15 to 25 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature falling to around 22 by 5pm. Windy, with a northwest wind 15 to 25 mph.
Wednesday Night
Partly cloudy, with a low around 1. Northwest wind 10 to 15 mph.
Thursday
Partly sunny, with a high near 16. West wind 5 to 10 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 2.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 13.
Friday Night
Partly cloudy, with a low around -6. Breezy.
Saturday
Mostly sunny and cold, with a high near 5.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -7.
Sunday
Mostly sunny, with a high near 13.
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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:
5:06 am CST Dec 8, 2025
Forecast Valid:
5am CST Dec 8, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation