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

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

23°F

-5°C

Humidity 94%
Wind Speed Calm
Barometer 30.14 in (1022.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 9 Jan 10:55 pm CST
Extended Forecast for

5 Miles WSW Cataract WI

  • Tonight

    Tonight: Snow likely, mainly after 4am. Mostly cloudy, with a steady temperature around 28. Light and variable wind. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow before noon, then scattered snow showers, mainly between noon and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 30. West wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a steady temperature around 20. Northwest wind 10 to 13 mph, with gusts as high as 26 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Southwest wind around 7 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind around 7 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29. Southwest wind around 7 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 42. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 42 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 22. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow likely, mainly after 4am. Mostly cloudy, with a steady temperature around 28. Light and variable wind. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A chance of snow before noon, then scattered snow showers, mainly between noon and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 30. West wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a steady temperature around 20. Northwest wind 10 to 13 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 27. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 20. Southwest wind around 7 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 40. West wind around 7 mph.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29. Southwest wind around 7 mph.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 42. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 22. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 27. North wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 13. North wind 3 to 6 mph.
Thursday
A 30 percent chance of snow. Mostly sunny, with a high near 28. West wind 5 to 7 mph becoming south in the afternoon.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. South wind around 6 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. Southwest wind 6 to 9 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cataract WI
 44.06°N 90.93°W
Last Update:
10:56 pm CST Jan 9, 2026
Forecast Valid:
11pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation