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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Snow likely. Mostly cloudy, with a steady temperature around 25. West wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely

  • Tonight

    Tonight: A chance of snow or flurries before 11pm, then a chance of flurries between 11pm and midnight. Mostly cloudy, with a low around 17. Northwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.

    High: 29 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Southwest wind around 5 mph becoming calm after midnight.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 41. Calm wind becoming west around 5 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Calm wind becoming southwest around 6 mph after midnight.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. West wind 6 to 11 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 6 to 8 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 9 mph, with gusts as high as 20 mph.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow likely. Mostly cloudy, with a steady temperature around 25. West wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow or flurries before 11pm, then a chance of flurries between 11pm and midnight. Mostly cloudy, with a low around 17. Northwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 29. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 41. Calm wind becoming west around 5 mph.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Calm wind becoming southwest around 6 mph after midnight.
Tuesday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. West wind 6 to 11 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 6 to 8 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 9 mph, with gusts as high as 20 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 7 mph in the morning.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. South wind around 6 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.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12. Northwest wind around 7 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 20. Northwest wind 6 to 8 mph.
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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:
3:36 pm CST Jan 10, 2026
Forecast Valid:
4pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation