Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast with Haze

7°F

-14°C

Humidity 66%
Wind Speed W 17 G 30 mph
Barometer 29.80 in (1012.0 mb)
Dewpoint -2°F (-19°C)
Visibility 3.00 mi
Wind Chill-11°F (-24°C)
Last update 19 Jan 1:53 am CST
Extended Forecast for

3 Miles NNE Ripon WI

Winter Weather Advisory January 19, 02:32am until January 19, 12:00pm
Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Cold Weather Advisory
  •  
    Winter Weather Advisory January 19, 02:32am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Winter Weather Advisory

  • Overnight

    Low: -4 °F

    Scattered
    Snow Showers
    and Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Scattered flurries before 9am.  Patchy blowing snow before noon. Partly sunny and cold, with a high near 2. Wind chill values between -20 and -30. Windy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 2 °F

    Scattered
    Flurries and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around -5. Wind chill values between -15 and -20. West wind 10 to 15 mph.

    Low: -5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12. Wind chill values between -10 and -20. West wind 5 to 10 mph.

    High: 12 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 5. South wind around 5 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly before noon.  Mostly cloudy, with a high near 21. West wind 5 to 15 mph.

    High: 21 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2. West wind 10 to 15 mph.

    Low: 2 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 10. West wind 10 to 15 mph.

    High: 10 °F

    Cold

Detailed Forecast

Overnight
Scattered snow showers, mainly between 4am and 5am. Patchy blowing snow. Mostly cloudy, with a low around -4. Wind chill values between -15 and -25. Windy, with a west wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
M.L.King Day
Scattered flurries before 9am. Patchy blowing snow before noon. Partly sunny and cold, with a high near 2. Wind chill values between -20 and -30. Windy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around -5. Wind chill values between -15 and -20. West wind 10 to 15 mph.
Tuesday
Mostly sunny, with a high near 12. Wind chill values between -10 and -20. West wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 5. South wind around 5 mph.
Wednesday
A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 21. West wind 5 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 2. West wind 10 to 15 mph.
Thursday
Mostly sunny and cold, with a high near 10. West wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around -4.
Friday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 7.
Friday Night
Partly cloudy, with a low around -12.
Saturday
Mostly sunny and cold, with a high near 1.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -13.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 5.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Ripon WI
 43.9°N 88.81°W (Elev. 820 ft)
2:22 am CST Jan 19, 2026
2am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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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