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

9°F

-13°C

Humidity 74%
Wind Speed Calm
Barometer 30.20 in (1024.7 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 7 Dec 6:55 am CST
Extended Forecast for

Warrens WI

  • Today

    Today: Increasing clouds, with a high near 16. Wind chill values as low as -8. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 16 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around -2. Calm wind.

    Low: -2 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 22. Wind chill values as low as -1. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 22 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Cloudy, with a low around 14. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow after noon. Cloudy, with a high near 35. West wind around 8 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Cloudy then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 3am. Low around 21. South wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 29. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 29 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 4. Northwest wind 5 to 7 mph.

    Low: 4 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 21. Northwest wind 5 to 7 mph.

    High: 21 °F

    Chance Snow

Detailed Forecast

Today
Increasing clouds, with a high near 16. Wind chill values as low as -8. Northwest wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly cloudy, with a low around -2. Calm wind.
Monday
Mostly cloudy, with a high near 22. Wind chill values as low as -1. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Snow likely, mainly before midnight. Cloudy, with a low around 14. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of rain and snow after noon. Cloudy, with a high near 35. West wind around 8 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 3am. Low around 21. South wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 29. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 4. Northwest wind 5 to 7 mph.
Thursday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 21. Northwest wind 5 to 7 mph.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -2. Northwest wind 6 to 8 mph, with gusts as high as 18 mph.
Friday
Mostly cloudy, with a high near 12. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around -8. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 7. West wind 7 to 9 mph, with gusts as high as 18 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:
6:01 am CST Dec 7, 2025
Forecast Valid:
7am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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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