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Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

36°F

2°C

Humidity 82%
Wind Speed NW 8 mph
Barometer 29.85 in (1011.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 9 Jan 7:55 am CST
Extended Forecast for

Sparta WI

  • Today

    Today: Partly sunny, with a high near 38. Northwest wind 6 to 11 mph becoming light west in the afternoon. Winds could gust as high as 24 mph.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 24. Calm wind becoming west around 5 mph after midnight. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 30 by noon, then falling to around 24 during the remainder of the day. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph. New snow accumulation of less than one inch possible.

    High: 30 °F⇓

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Southwest wind 3 to 5 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Southwest wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Light southwest wind.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 42. West wind 3 to 6 mph.

    High: 42 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 38. Northwest wind 6 to 11 mph becoming light west in the afternoon. Winds could gust as high as 24 mph.
Tonight
A 40 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 24. Calm wind becoming west around 5 mph after midnight. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 30 by noon, then falling to around 24 during the remainder of the day. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph. New snow accumulation of less than one inch possible.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 28. Northwest wind around 6 mph becoming southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 20. Southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 40. Southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 31. Light southwest wind.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 42. West wind 3 to 6 mph.
Tuesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 24. Northwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 30. North wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 15. North wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 31. Calm wind becoming south around 6 mph in the afternoon.
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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:
5:21 am CST Jan 9, 2026
Forecast Valid:
8am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation