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

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Overcast

16°F

-9°C

Humidity 80%
Wind Speed W 10 mph
Barometer 29.99 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 17 Jan 7:35 pm CST
Extended Forecast for

Portage WI

  • Tonight

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

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 11am. High near 17. Wind chill values between -10 and zero. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 17 °F

    Chance Snow
    then Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 9pm. Low around -3. Wind chill values between -15 and -25. Blustery, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: -3 °F

    Snow then
    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 4. Wind chill values between -15 and -25. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 4 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. West wind 5 to 10 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 16. Southwest wind 5 to 10 mph.

    High: 16 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 10 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow. Mostly cloudy, with a high near 22. West wind 5 to 15 mph.

    High: 22 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. West wind 5 to 10 mph.
Sunday
Snow, mainly after 11am. High near 17. Wind chill values between -10 and zero. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 9pm. Low around -3. Wind chill values between -15 and -25. Blustery, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
M.L.King Day
Mostly sunny and cold, with a high near 4. Wind chill values between -15 and -25. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around -4. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 16. Southwest wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 10. South wind around 5 mph.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 22. West wind 5 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 3.
Thursday
Partly sunny, with a high near 16.
Thursday Night
Mostly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 19.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 9.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.55°N 89.46°W (Elev. 791 ft)
Last Update:
6:12 pm CST Jan 17, 2026
Forecast Valid:
7pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation