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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Light Snow

11°F

-12°C

Humidity 70%
Wind Speed SW 6 mph
Barometer 29.91 in (1015.8 mb)
Dewpoint 3°F (-16°C)
Visibility 8.00 mi
Wind Chill1°F (-17°C)
Last update 1 Jan 2:53 pm CST
Extended Forecast for

Ripon WI

  • New Year's Day

    New Year's Day: Snow likely, mainly before 4pm. Cloudy, with a high near 14. Wind chill values between zero and 5. West wind 5 to 10 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 14 °F

    Snow Likely

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values between -5 and zero. West wind around 5 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 15. Wind chill values between -10 and zero. West wind 5 to 10 mph.

    High: 15 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 21. Calm wind becoming west around 5 mph in the morning.

    High: 21 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. West wind around 5 mph becoming calm after midnight.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 25. Calm wind becoming south around 5 mph in the afternoon.

    High: 25 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. South wind 5 to 10 mph.

    Low: 18 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

New Year's Day
Snow likely, mainly before 4pm. Cloudy, with a high near 14. Wind chill values between zero and 5. West wind 5 to 10 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values between -5 and zero. West wind around 5 mph.
Friday
Sunny, with a high near 15. Wind chill values between -10 and zero. West wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 21. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 4. West wind around 5 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 25. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. South wind 5 to 10 mph.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ripon WI
 43.85°N 88.84°W (Elev. 951 ft)
Last Update:
3:13 pm CST Jan 1, 2026
Forecast Valid:
3pm CST Jan 1, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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