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

21°F

-6°C

Humidity 54%
Wind Speed Calm
Barometer 30.52 in (1035.5 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 23 Feb 11:55 am CST
Extended Forecast for

3 Miles SW Warrens WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 24. Northeast wind around 5 mph becoming calm.

    High: 24 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. Light southwest wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 21 mph.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly between 11am and 5pm. Partly sunny, with a high near 35. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -6. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 7 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 21 mph.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Partly sunny, with a high near 33. Calm wind becoming southwest around 6 mph in the morning.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Southwest wind around 6 mph.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 48. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 24. Northeast wind around 5 mph becoming calm.
Tonight
Mostly cloudy, with a low around 11. Light southwest wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 21 mph.
Tuesday
Snow likely, mainly between 11am and 5pm. Partly sunny, with a high near 35. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -6. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 8. Calm wind.
Thursday
A 20 percent chance of snow before noon. Partly sunny, with a high near 33. Calm wind becoming southwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 20. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 48. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 17. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 32. North wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 6. North wind 6 to 8 mph.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 25. Northeast wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
11:41 am CST Feb 23, 2026
Forecast Valid:
12pm CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation