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.

A Few Clouds

31°F

-1°C

Humidity 68%
Wind Speed Calm
Barometer 30.32 in (1028.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 23 Mar 10:55 pm CDT
Extended Forecast for

4 Miles N Sparta WI

  • Tonight

    Tonight: A chance of sprinkles and flurries before 1am. Mostly cloudy, with a low around 31. Calm wind becoming south around 6 mph after midnight.

    Low: 31 °F

    Chance
    Sprinkles/Flurries

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Southwest wind around 6 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Light south wind.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. South wind 3 to 6 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Light south wind.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. Light northwest wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44. North wind 3 to 8 mph.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of sprinkles and flurries before 1am. Mostly cloudy, with a low around 31. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 56. Southwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 35. Light south wind.
Wednesday
Mostly sunny, with a high near 66. South wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 45. Light south wind.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. Light northwest wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 44. North wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 54. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 33. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 60. Southwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 36. South wind around 6 mph.
Monday
Mostly sunny, with a high near 67. South wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sparta WI
 43.99°N 90.81°W
Last Update:
11:12 pm CDT Mar 23, 2026
Forecast Valid:
11pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

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Chance of Precipitation