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

36°F

2°C

Humidity 90%
Wind Speed Calm
Barometer 29.93 in (1014.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 9:55 pm CDT
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 41. West wind 5 to 8 mph becoming northeast after midnight.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 45. North wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 45 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. North wind 3 to 7 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Calm wind becoming northwest around 5 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Calm wind becoming south around 6 mph in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. South wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Northwest wind around 6 mph becoming east after midnight.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Light and variable wind.
Saturday
Mostly sunny, with a high near 73. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Increasing clouds, with a low around 41. West wind 5 to 8 mph becoming northeast after midnight.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 45. North wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 23. North wind 3 to 7 mph.
Monday
Sunny, with a high near 48. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 32. Calm wind becoming south around 6 mph in the evening.
Tuesday
Partly sunny, with a high near 55. South wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 29. Northwest wind around 6 mph becoming east after midnight.
Wednesday
Mostly cloudy, with a high near 48. East wind around 7 mph becoming southeast in the afternoon.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 35. Southeast wind 6 to 8 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 55. West wind 8 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 21. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 41. Northwest wind 8 to 10 mph, with gusts as high as 20 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:
6:31 pm CDT Mar 20, 2026
Forecast Valid:
10pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation