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

18°F

-8°C

Humidity 83%
Wind Speed Calm
Barometer 30.15 in (1022.7 mb)
Dewpoint 14°F (-10°C)
Visibility 9.00 mi
Last update 9 Feb 1:55 am CST
Extended Forecast for

3 Miles SW Warrens WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. South wind around 6 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40. South wind 5 to 8 mph, with gusts as high as 18 mph.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 36 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 34. Northwest wind 3 to 6 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 37. Calm wind becoming southeast around 5 mph.

    High: 37 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 18. Light southeast wind.

    Low: 18 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. South wind around 6 mph.
Monday
Mostly cloudy, with a high near 40. South wind 5 to 8 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 27. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 23 mph.
Tuesday
Mostly sunny, with a high near 36. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 18. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 34. Northwest wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 16. Calm wind.
Thursday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 37. Calm wind becoming southeast around 5 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18. Light southeast wind.
Friday
Mostly sunny, with a high near 41. South wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 22. South wind around 6 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 42. South wind 6 to 8 mph.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 23. Southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 43. South wind 3 to 6 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:
1:47 am CST Feb 9, 2026
Forecast Valid:
2am CST Feb 9, 2026-6pm CST Feb 15, 2026
 
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Additional Resources

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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