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

Winter Storm and Cold for the Weekend

A prolonged period of moderate snow affects the region from Friday night through early Sunday morning, potentially resulting in hazardous road conditions. Portions of northeast Iowa into southwest Wisconsin could see snowfall amounts of 9-12+". Colder air arrives for Sunday through Tuesday with overnight wind chills in the single digits to teens below zero. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

24°F

-4°C

Humidity 72%
Wind Speed Calm
Barometer 30.31 in (1028.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 28 Nov 12:55 am CST
Extended Forecast for

6 Miles SW Cataract WI

Winter Storm Watch November 29, 12:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Isolated flurries before 2am. Mostly cloudy, with a steady temperature around 20. West wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Isolated
    Flurries

  • Friday

    Friday: Mostly cloudy, with a high near 25. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 25 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Snow. Low around 19. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Chance Snow
    then Snow

  • Saturday

    Saturday: Snow. High near 27. East wind 6 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 27 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 16. Northeast wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Snow then
    Snow Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Northwest wind 7 to 13 mph, with gusts as high as 25 mph.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 18. Calm wind becoming southwest around 6 mph in the morning.

    High: 18 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4. Southwest wind around 6 mph.

    Low: 4 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Isolated flurries before 2am. Mostly cloudy, with a steady temperature around 20. West wind 5 to 8 mph, with gusts as high as 18 mph.
Friday
Mostly cloudy, with a high near 25. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Friday Night
Snow. Low around 19. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow. High near 27. East wind 6 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow. Low around 16. Northeast wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Mostly sunny, with a high near 24. Northwest wind 7 to 13 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 18. Calm wind becoming southwest around 6 mph in the morning.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4. Southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 23. Southwest wind 5 to 7 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12. Southwest wind around 6 mph.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 26. Southwest wind 6 to 8 mph becoming northwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 2. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 18. West wind 5 to 7 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cataract WI
 44.04°N 90.93°W
Last Update:
1:16 am CST Nov 28, 2025
Forecast Valid:
1am CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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