Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

26°F

-3°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1015.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 12 Jan 6:55 pm CST
Extended Forecast for

Sparta WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. South wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 44. Breezy, with a west wind 10 to 16 mph, with gusts as high as 31 mph.

    High: 44 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. West wind 9 to 14 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 24. Blustery, with a north wind 11 to 16 mph, with gusts as high as 31 mph.

    High: 24 °F

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 6. Northwest wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 6 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow after noon.  Partly sunny, with a high near 26. Calm wind becoming southwest around 6 mph in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 26 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 20. South wind around 6 mph becoming west after midnight.  Chance of precipitation is 70%.

    Low: 20 °F

    Snow Likely

  • Friday

    Friday: Snow.  High near 31. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 6. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. South wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday
Increasing clouds, with a high near 44. Breezy, with a west wind 10 to 16 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 17. West wind 9 to 14 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 24. Blustery, with a north wind 11 to 16 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly clear, with a low around 6. Northwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 26. Calm wind becoming southwest around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 20. South wind around 6 mph becoming west after midnight. Chance of precipitation is 70%.
Friday
Snow. High near 31. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 6. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 13. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around -1. Northwest wind around 6 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 14. Northwest wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 1. West wind around 6 mph.
M.L.King Day
Partly sunny, with a high near 17. Northwest wind 5 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
5:06 pm CST Jan 12, 2026
7pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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