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

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Fair

-3°F

-19°C

Humidity 59%
Wind Speed W 14 G 22 mph
Barometer 30.20 in
Dewpoint -14°F (-26°C)
Visibility 10.00 mi
Wind Chill-23°F (-31°C)
Last update 19 Jan 10:55 am CST
Extended Forecast for

Portage WI

Cold Weather Advisory January 19, 11:18am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 11:18am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • M.L.King Day

    High: 3 °F

    Areas Blowing
    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around -4. Wind chill values between -10 and -15. West wind 5 to 10 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 14. Wind chill values between -5 and -15. West wind 5 to 10 mph.

    High: 14 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow.  Low around 7. South wind around 5 mph becoming calm.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 7 °F

    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly after noon.  Mostly cloudy, with a high near 23. Light northwest wind becoming west 5 to 10 mph in the morning.

    High: 23 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 4. West wind around 10 mph.

    Low: 4 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 14. West wind around 10 mph.

    High: 14 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -10. West wind around 5 mph.

    Low: -10 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Areas of blowing snow before noon. Mostly sunny and cold, with a high near 3. Wind chill values between -15 and -20. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around -4. Wind chill values between -10 and -15. West wind 5 to 10 mph.
Tuesday
Increasing clouds, with a high near 14. Wind chill values between -5 and -15. West wind 5 to 10 mph.
Tuesday Night
Snow. Low around 7. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 23. Light northwest wind becoming west 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4. West wind around 10 mph.
Thursday
Partly sunny, with a high near 14. West wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around -10. West wind around 5 mph.
Friday
Mostly sunny and cold, with a high near -2.
Friday Night
Mostly clear, with a low around -18.
Saturday
Sunny and cold, with a high near 1.
Saturday Night
Partly cloudy, with a low around -12.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 10.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.55°N 89.49°W (Elev. 787 ft)
11:13 am CST Jan 19, 2026
11am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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