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

39°F

4°C

Humidity 92%
Wind Speed N 3 mph
Barometer 29.44 in (997.7 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Last update 9 Jan 1:55 am CST
Extended Forecast for

Warrens WI

  • Overnight

    Overnight: Rain and snow before 5am, then a slight chance of rain. Steady temperature around 36. Breezy, with a north wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 37. Northwest wind 10 to 15 mph becoming light west in the afternoon. Winds could gust as high as 29 mph.

    High: 37 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly before noon. Mostly cloudy, with a high near 30. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Northwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 15 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 27. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. Southwest wind around 7 mph, with gusts as high as 18 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. West wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain and snow before 5am, then a slight chance of rain. Steady temperature around 36. Breezy, with a north wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 37. Northwest wind 10 to 15 mph becoming light west in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 24. Calm wind.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 30. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Northwest wind around 10 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 27. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 17. Southwest wind around 7 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 38. West wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 27. West wind around 6 mph.
Tuesday
A chance of rain and snow, mainly after noon. Mostly cloudy, with a high near 38. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. North wind around 7 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 28. North wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 11. North wind 3 to 6 mph.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 26. Light and variable wind becoming southwest 5 to 7 mph in the morning.
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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:
1:36 am CST Jan 9, 2026
Forecast Valid:
2am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation