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.

Overcast

26°F

-3°C

Humidity 85%
Wind Speed Calm
Barometer 29.93 in (1015.1 mb)
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Last update 5 Feb 6:55 am CST
Extended Forecast for

Warrens WI

  • Today

    Today: A slight chance of snow before 10am, then a slight chance of freezing rain between 10am and 11am. Cloudy, with a high near 34. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Wintry Mix
    then Cloudy

  • Tonight

    Tonight: Snow, possibly mixed with freezing rain before 5am, then a chance of snow. Low around 28. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Slight Chance
    Snow then
    Wintry Mix

  • Friday

    Friday: A 20 percent chance of snow before 9am. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 33 by 10am, then falling to around 24 during the remainder of the day. Breezy, with a northwest wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 33 °F⇓

    Breezy.
    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 1. North wind 5 to 10 mph becoming light northeast after midnight. Winds could gust as high as 22 mph.

    Low: 1 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 23. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Southeast wind 3 to 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36. South wind around 5 mph becoming calm in the afternoon.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. Calm wind becoming southwest around 6 mph in the morning.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow before 10am, then a slight chance of freezing rain between 10am and 11am. Cloudy, with a high near 34. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Snow, possibly mixed with freezing rain before 5am, then a chance of snow. Low around 28. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow before 9am. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 33 by 10am, then falling to around 24 during the remainder of the day. Breezy, with a northwest wind 11 to 16 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 1. North wind 5 to 10 mph becoming light northeast after midnight. Winds could gust as high as 22 mph.
Saturday
Partly sunny, with a high near 23. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 15. Southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 36. South wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly cloudy, with a low around 19. Calm wind.
Monday
Partly sunny, with a high near 44. Calm wind becoming southwest around 6 mph in the morning.
Monday Night
Mostly cloudy, with a low around 27. Light and variable wind becoming south around 5 mph in the evening.
Tuesday
Partly sunny, with a high near 39. Northeast wind 5 to 8 mph.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 22. Northeast wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 34. Northeast wind 6 to 8 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:
7:42 am CST Feb 5, 2026
Forecast Valid:
8am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation