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

18°F

-8°C

Humidity 89%
Wind Speed Calm
Barometer 30.08 in (1020.8 mb)
Dewpoint 16°F (-9°C)
Visibility 8.00 mi
Last update 1 Dec 4:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Cloudy, with a high near 22. Calm wind. Total daytime snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow

  • Tonight

    Tonight: A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm. Mostly cloudy, with a low around 10. Calm wind. Chance of precipitation is 20%.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after midnight. Cloudy, with a low around 17. South wind around 6 mph. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before noon. Partly sunny, with a high near 27. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 27 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -7. Northwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: -7 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 13. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 13 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. South wind around 7 mph, with gusts as high as 18 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27. Southwest wind 5 to 7 mph.

    High: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Cloudy, with a high near 22. Calm wind. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm. Mostly cloudy, with a low around 10. Calm wind. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 27. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
A 40 percent chance of snow after midnight. Cloudy, with a low around 17. South wind around 6 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 30 percent chance of snow before noon. Partly sunny, with a high near 27. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around -7. Northwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 13. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 2. South wind around 7 mph, with gusts as high as 18 mph.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27. Southwest wind 5 to 7 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 12. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 25. Light northwest wind.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 4. Light north wind.
Sunday
Partly sunny, with a high near 19. North wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around -1. Light and variable wind.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 24. Calm wind becoming south around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
4:41 pm CST Dec 1, 2025
Forecast Valid:
5pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation