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

22°F

-6°C

Humidity 74%
Wind Speed Calm
Barometer 30.40 in (1031.1 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 30 Nov 5:55 pm CST
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Northwest wind around 5 mph becoming calm in the evening.

    Low: 2 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Cloudy, with a high near 22. Wind chill values as low as -2. Calm wind becoming southwest 5 to 7 mph in the morning. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 24. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 24 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14. South wind 5 to 7 mph.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 28. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -7. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: -7 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 12. West wind around 6 mph becoming southwest in the afternoon.

    High: 12 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around -1. South wind 5 to 7 mph.

    Low: -1 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 2. Northwest wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of snow after noon. Cloudy, with a high near 22. Wind chill values as low as -2. Calm wind becoming southwest 5 to 7 mph in the morning. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 9. Calm wind.
Tuesday
Mostly cloudy, with a high near 24. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14. South wind 5 to 7 mph.
Wednesday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 28. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around -7. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 12. West wind around 6 mph becoming southwest in the afternoon.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -1. South wind 5 to 7 mph.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 23. South wind around 7 mph.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 9. West wind 3 to 5 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 24. West wind 5 to 7 mph becoming north in the afternoon.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 8. Light north wind.
Sunday
Partly sunny, with a high near 21. Northwest wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
4:26 pm CST Nov 30, 2025
Forecast Valid:
6pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation