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

42°F

6°C

Humidity 71%
Wind Speed Calm
Barometer 30.06 in (1018.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 19 Mar 9:55 am CDT
Extended Forecast for

3 Miles SW Warrens WI

  • Today

    Today: Partly sunny, with a high near 46. Light and variable wind becoming southeast around 6 mph in the afternoon.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Southeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 55. Northwest wind 6 to 8 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34. South wind 7 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 45. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. North wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Northwest wind around 6 mph.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 46. Light and variable wind becoming southeast around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 34. Southeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph.
Friday
Partly sunny, with a high near 55. Northwest wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 32. Light and variable wind.
Saturday
Mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34. South wind 7 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 45. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 21. North wind 5 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 45. Northwest wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 29. South wind 3 to 7 mph.
Tuesday
Mostly cloudy, with a high near 51. Southwest wind around 8 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 28. North wind around 6 mph becoming east after midnight.
Wednesday
Mostly cloudy, with a high near 54. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
9:36 am CDT Mar 19, 2026
Forecast Valid:
11am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation