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.

Fair

-11°F

-24°C

Humidity 79%
Wind Speed Calm
Barometer 30.37 in (1031.3 mb)
Dewpoint -16°F (-27°C)
Visibility 10.00 mi
Last update 4 Dec 5:55 am CST
Extended Forecast for

Warrens WI

  • Today

    Today: Sunny, with a high near 15. Wind chill values as low as -6. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 15 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 5am. Mostly cloudy, with a temperature falling to near 9 by 8pm, then rising to around 13 during the remainder of the night. Wind chill values as low as -5. Southwest wind 8 to 11 mph, with gusts as high as 28 mph.

    Low: 9 °F⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon. Mostly cloudy, with a high near 27. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 21. Northwest wind around 6 mph.

    High: 21 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -3. Light north wind. New snow accumulation of less than a half inch possible.

    Low: -3 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 16. North wind 3 to 5 mph.

    High: 16 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -6. Calm wind.

    Low: -6 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 21. Calm wind becoming south 5 to 7 mph in the morning.

    High: 21 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 15. Wind chill values as low as -6. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
A 20 percent chance of snow after 5am. Mostly cloudy, with a temperature falling to near 9 by 8pm, then rising to around 13 during the remainder of the night. Wind chill values as low as -5. Southwest wind 8 to 11 mph, with gusts as high as 28 mph.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 27. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. Southwest wind around 6 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 21. Northwest wind around 6 mph.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -3. Light north wind. New snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 16. North wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around -6. Calm wind.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 21. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 11. South wind around 6 mph becoming west after midnight. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. West wind 6 to 8 mph.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 12. Southwest wind around 7 mph becoming southeast after midnight. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 29. West wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
5:11 am CST Dec 4, 2025
Forecast Valid:
6am CST Dec 4, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation