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

24°F

-4°C

Humidity 93%
Wind Speed Calm
Barometer 30.29 in (1027.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 24 Dec 2:55 am CST
Extended Forecast for

3 Miles SW Warrens WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. Northeast wind 3 to 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy drizzle after 4pm. Mostly cloudy, with a high near 38. Southeast wind around 6 mph becoming calm in the afternoon.

    High: 38 °F

    Mostly Cloudy
    then Patchy
    Drizzle

  • Wednesday Night

    Wednesday Night: Areas of drizzle before 10pm. Mostly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Areas Drizzle
    then Mostly
    Cloudy

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 34. East wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 34 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain or freezing rain likely after midnight, becoming all rain after 3am. Cloudy, with a low around 27. Southeast wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no ice accumulation expected.

    Low: 27 °F

    Cloudy then
    Rain/Freezing
    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 41. Southeast wind around 5 mph becoming light and variable in the afternoon.

    High: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 43. Southeast wind 3 to 7 mph.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 22. Southeast wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 26 mph.

    Low: 22 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. Northeast wind 3 to 5 mph.
Wednesday
Patchy drizzle after 4pm. Mostly cloudy, with a high near 38. Southeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Areas of drizzle before 10pm. Mostly cloudy, with a low around 25. Light and variable wind.
Christmas Day
Mostly cloudy, with a high near 34. East wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Rain or freezing rain likely after midnight, becoming all rain after 3am. Cloudy, with a low around 27. Southeast wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no ice accumulation expected.
Friday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 41. Southeast wind around 5 mph becoming light and variable in the afternoon.
Friday Night
Mostly cloudy, with a low around 29. Light and variable wind.
Saturday
Mostly cloudy, with a high near 43. Southeast wind 3 to 7 mph.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 22. Southeast wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 26 mph.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 26. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 2. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 14. Blustery, with a northwest wind 11 to 16 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 2. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 22. West wind 6 to 10 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
3:16 am CST Dec 24, 2025
Forecast Valid:
3am CST Dec 24, 2025-6pm CST Dec 30, 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