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

Snow Returns, Mainly North of I-94 Tuesday

Flurries and light snow are expected today but more imapctful snow is likely Tuesday afternoon into Tuesday night north of I-94. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

21°F

-6°C

Humidity 68%
Wind Speed S 3 mph
Barometer 30.17 in (1024.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 8 Dec 2:55 pm CST
Extended Forecast for

Cataract WI

Winter Weather Advisory December 9, 03:00pm until December 10, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of flurries before 4pm. Cloudy, with a steady temperature around 20. South wind around 8 mph, with gusts as high as 18 mph.

    High: 20 °F

    Chance
    Flurries

  • Tonight

    Tonight: Snow likely, mainly between 11pm and 3am. Cloudy, with a temperature rising to around 24 by 4am. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 18 °F⇑

    Snow Likely

  • Tuesday

    Tuesday: Snow, mainly after 4pm. High near 33. West wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Slight Chance
    Snow then
    Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 1am. Low around 22. Breezy, with a south wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 7 to 17 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow
    and Blustery
    then Slight
    Chance Snow

  • Wednesday Night

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

    Low: 1 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow. Partly sunny, with a high near 18. Light northwest wind.

    High: 18 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -2. Calm wind becoming northwest around 6 mph after midnight.

    Low: -2 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 14. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 14 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of flurries before 4pm. Cloudy, with a steady temperature around 20. South wind around 8 mph, with gusts as high as 18 mph.
Tonight
Snow likely, mainly between 11pm and 3am. Cloudy, with a temperature rising to around 24 by 4am. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 4pm. High near 33. West wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 1am. Low around 22. Breezy, with a south wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 7 to 17 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 18. Light northwest wind.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -2. Calm wind becoming northwest around 6 mph after midnight.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 14. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around -13. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Saturday
Partly sunny and cold, with a high near 2. Northwest wind 5 to 7 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -14. Light northwest wind.
Sunday
Mostly sunny, with a high near 10. Calm wind becoming west around 5 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -3. Light southeast wind.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 21. Light and variable wind becoming southwest 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cataract WI
 44.1°N 90.84°W
Last Update:
3:16 pm CST Dec 8, 2025
Forecast Valid:
3pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation