Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Middleton Muni - Morey Field (KC29)

Lat: 43.11°NLon: 89.53°WElev: 928ft.

Fair

14°F

-10°C

Humidity 37%
Wind Speed S 7 mph
Barometer 30.20 in
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 20 Jan 4:15 pm CST
Extended Forecast for

Prairie du Sac WI

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch
  • Tonight

    Tonight: Snow, mainly before 3am.  Low around 10. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 10 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 24. Light west wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 24 °F

    Partly Sunny
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 9pm.  Mostly cloudy, with a low around 5. Wind chill values between -10 and zero. West wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 5 °F

    Snow Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 15. Wind chill values between -10 and zero. West wind 10 to 15 mph.

    High: 15 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -15. Northwest wind around 10 mph.

    Low: -15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -6. Northwest wind 5 to 10 mph.

    High: -6 °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 2. Calm wind becoming northwest around 5 mph.

    High: 2 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -8.

    Low: -8 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 3am. Low around 10. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 24. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 5. Wind chill values between -10 and zero. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
Mostly sunny, with a high near 15. Wind chill values between -10 and zero. West wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around -15. Northwest wind around 10 mph.
Friday
Mostly sunny and cold, with a high near -6. 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 2. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around -8.
Sunday
Partly sunny and cold, with a high near 9.
Sunday Night
Mostly cloudy, with a low around -5.
Monday
Mostly sunny, with a high near 14.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 21.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Prairie du Sac WI
 43.3°N 89.71°W (Elev. 797 ft)
3:07 pm CST Jan 20, 2026
4pm CST Jan 20, 2026-6pm CST Jan 27, 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