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 >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Fair

-8°F

-22°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 30.26 in
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Wind Chill-21°F (-29°C)
Last update 20 Jan 6:15 am CST
Extended Forecast for

6 Miles NNW Prairie du Sac WI

  • Today

    Today: Increasing clouds, with a high near 14. Wind chill values between -10 and -20. West wind 5 to 10 mph.

    High: 14 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly before 5am.  Low around 10. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow showers after noon.  Mostly cloudy, with a high near 24. Light northwest wind becoming west 5 to 10 mph in the morning.

    High: 24 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 4. Wind chill values between -10 and zero. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 4 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Thursday

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

    High: 15 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -14. Northwest wind around 10 mph.

    Low: -14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -4. Northwest wind 5 to 10 mph.

    High: -4 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -16. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -16 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 1.

    High: 1 °F

    Cold

Detailed Forecast

Today
Increasing clouds, with a high near 14. Wind chill values between -10 and -20. West wind 5 to 10 mph.
Tonight
Snow, mainly before 5am. Low around 10. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 24. Light northwest wind becoming west 5 to 10 mph in the morning.
Wednesday Night
A 50 percent chance of snow showers before midnight. Mostly cloudy, with a low around 4. Wind chill values between -10 and zero. West wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 15. West wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around -14. Northwest wind around 10 mph.
Friday
Mostly sunny and cold, with a high near -4. Northwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around -16. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny and cold, with a high near 1.
Saturday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around -10.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Partly cloudy, with a low around -6.
Monday
Mostly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Prairie du Sac WI
 43.36°N 89.77°W (Elev. 889 ft)
5:17 am CST Jan 20, 2026
6am CST Jan 20, 2026-6pm CST Jan 26, 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