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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

30°F

-1°C

Humidity 54%
Wind Speed W 10 mph
Barometer 29.86 in (1012.3 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 10 Jan 3:53 pm CST
Extended Forecast for

2 Miles SSE Green Lake WI

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers. Mostly cloudy, with a high near 31. Breezy, with a west wind around 20 mph, with gusts as high as 25 mph.

    High: 31 °F

    Chance Snow
    Showers and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly before 3am. Cloudy, with a low around 18. Windy, with a west wind 20 to 25 mph.

    Low: 18 °F

    Chance Snow
    Showers and
    Windy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Southwest wind around 15 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 37. West wind 10 to 15 mph.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 30. Breezy, with a southwest wind 10 to 20 mph.

    Low: 30 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 42. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 42 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 21. Blustery, with a west wind around 20 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Rain/Snow and
    Blustery

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 26. Blustery.

    High: 26 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers. Mostly cloudy, with a high near 31. Breezy, with a west wind around 20 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of snow showers, mainly before 3am. Cloudy, with a low around 18. Windy, with a west wind 20 to 25 mph.
Sunday
Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Southwest wind around 15 mph.
Monday
Sunny, with a high near 37. West wind 10 to 15 mph.
Monday Night
Increasing clouds, with a low around 30. Breezy, with a southwest wind 10 to 20 mph.
Tuesday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 42. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 21. Blustery, with a west wind around 20 mph. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 26. Blustery.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 27.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 20.
Basemap Options
Click map to change the forecast location
Loading map...
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:
3:13 pm CST Jan 10, 2026
Forecast Valid:
4pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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