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.

Rain Fog/Mist

40°F

4°C

Humidity 96%
Wind Speed E 3 mph
Barometer 29.44 in (998.1 mb)
Dewpoint 39°F (4°C)
Visibility 3.00 mi
Last update 8 Jan 6:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

  • Tonight

    Tonight: Rain before 2am, then rain, possibly mixed with snow between 2am and 4am, then a chance of snow after 4am. Low around 31. Light and variable wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 38. Northwest wind 9 to 14 mph becoming light in the afternoon. Winds could gust as high as 28 mph.

    High: 38 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 31. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. New snow accumulation of around an inch possible.

    High: 31 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Northwest wind 5 to 8 mph, with gusts as high as 18 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Southwest wind around 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind around 7 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Southwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain before 2am, then rain, possibly mixed with snow between 2am and 4am, then a chance of snow after 4am. Low around 31. Light and variable wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 38. Northwest wind 9 to 14 mph becoming light in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 25. Calm wind.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. New snow accumulation of around an inch possible.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind 8 to 10 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 28. Northwest wind 5 to 8 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 18. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 40. West wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 29. Southwest wind 3 to 6 mph.
Tuesday
A slight chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 39. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and 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. Mostly cloudy, with a high near 29. North wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 14. North wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 28. Calm wind becoming southwest 5 to 7 mph in the morning.
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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:
7:42 pm CST Jan 8, 2026
Forecast Valid:
7pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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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