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

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

31°F

-1°C

Humidity 58%
Wind Speed W 14 G 18 mph
Barometer 29.94 in (1015.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 10 Jan 11:55 am CST
Extended Forecast for

5 Miles SSW Sparta WI

  • This Afternoon

    This Afternoon: A chance of flurries with a slight chance of snow between 3pm and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 31. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow before 10pm, then a chance of flurries between 10pm and midnight. Mostly cloudy, with a low around 17. Northwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 29 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Southwest wind 3 to 6 mph.

    Low: 23 °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: Mostly cloudy, with a low around 31. Southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 45. West wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 22. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 28. North wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of flurries with a slight chance of snow between 3pm and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 31. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 10pm, then a chance of flurries between 10pm and midnight. Mostly cloudy, with a low around 17. Northwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
Partly sunny, with a high near 29. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 41. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.
Tuesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 45. West wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 22. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 28. North wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 13. North wind around 6 mph becoming calm in the evening.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 31. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. South wind around 7 mph becoming west after midnight.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
12:41 pm CST Jan 10, 2026
Forecast Valid:
1pm CST Jan 10, 2026-6pm CST Jan 16, 2026
 
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Chance of Precipitation