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Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

A Few Clouds

40°F

4°C

Humidity 66%
Wind Speed Calm
Barometer 30.03 in (1018.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 9 Jan 12:55 pm CST
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 38. Northwest wind 5 to 7 mph becoming calm.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow after 3am. Mostly cloudy, with a low around 25. Light west wind. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a temperature rising to near 29 by 11am, then falling to around 23 during the remainder of the day. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph. New snow accumulation of less than one inch possible.

    High: 29 °F⇓

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. Northwest wind 7 to 9 mph, with gusts as high as 23 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Northwest wind 5 to 7 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Southwest wind 3 to 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 41. West wind 3 to 6 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Southwest wind 3 to 6 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 43. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 43 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 38. Northwest wind 5 to 7 mph becoming calm.
Tonight
A 40 percent chance of snow after 3am. Mostly cloudy, with a low around 25. Light west wind. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a temperature rising to near 29 by 11am, then falling to around 23 during the remainder of the day. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 16. Northwest wind 7 to 9 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 28. Northwest wind 5 to 7 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 21. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 41. West wind 3 to 6 mph.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Southwest wind 3 to 6 mph.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 43. West wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 22. West wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 28. North wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 13. North wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of snow. Mostly sunny, with a high near 29. Calm wind becoming southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
Last Update:
1:31 pm CST Jan 9, 2026
Forecast Valid:
1pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation