National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

31°F

-1°C

Humidity 85%
Wind Speed W 10 G 18 mph
Barometer 29.39 in (996.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 16 Jan 11:53 am CST
Extended Forecast for

2 Miles SE Green Lake WI

  • This Afternoon

    This Afternoon: A chance of snow before 1pm, then snow showers likely, mainly between 1pm and 3pm. Cloudy, with a high near 33. West wind around 15 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly between 11pm and midnight, then snow likely after midnight. Cloudy, with a low around 15. Wind chill values between zero and 10. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow likely, mainly before 11am. Cloudy, with a high near 21. Wind chill values between zero and 5. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 21 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4. Wind chill values between -10 and zero. Breezy, with a west wind 15 to 20 mph.

    Low: 4 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after noon. Mostly cloudy, with a high near 15. Southwest wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 15 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -2. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph after midnight.

    Low: -2 °F

    Windy. Slight
    Chance Snow
    then Mostly
    Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 2. Windy, with a west wind 20 to 30 mph.

    High: 2 °F

    Cold and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. Breezy, with a west wind 15 to 20 mph.

    Low: -4 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Partly sunny and cold, with a high near 10.

    High: 10 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
A chance of snow before 1pm, then snow showers likely, mainly between 1pm and 3pm. Cloudy, with a high near 33. West wind around 15 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers likely, mainly between 11pm and midnight, then snow likely after midnight. Cloudy, with a low around 15. Wind chill values between zero and 10. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before 11am. Cloudy, with a high near 21. Wind chill values between zero and 5. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 4. Wind chill values between -10 and zero. Breezy, with a west wind 15 to 20 mph.
Sunday
Snow likely, mainly after noon. Mostly cloudy, with a high near 15. Southwest wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -2. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph after midnight.
M.L.King Day
Partly sunny and cold, with a high near 2. Windy, with a west wind 20 to 30 mph.
Monday Night
Partly cloudy, with a low around -4. Breezy, with a west wind 15 to 20 mph.
Tuesday
A 20 percent chance of snow after noon. Partly sunny and cold, with a high near 10.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 3.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Partly sunny, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
12:08 pm CST Jan 16, 2026
Forecast Valid:
12pm CST Jan 16, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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