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

57°F

14°C

Humidity 34%
Wind Speed SW 6 mph
Barometer 29.87 in (1012.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 14 Feb 3:55 pm CST
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Light northwest wind.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Calm wind becoming southwest 5 to 7 mph after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 56. Southwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Calm wind becoming east around 6 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 50. East wind 6 to 14 mph, with gusts as high as 28 mph.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 38. East wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 53. Southeast wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 26. West wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Light and variable wind.
Sunday
Mostly sunny, with a high near 50. Light northwest wind.
Sunday Night
Mostly cloudy, with a low around 35. Calm wind becoming southwest 5 to 7 mph after midnight. Winds could gust as high as 20 mph.
Washington's Birthday
Sunny, with a high near 56. Southwest wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 31. Calm wind becoming east around 6 mph after midnight.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 50. East wind 6 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Rain. Low around 38. East wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 53. Southeast wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 26. West wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and snow after noon. Partly sunny, with a high near 41. West wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. North wind around 8 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 33. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15. Northwest wind around 6 mph.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 32. West wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
5:31 pm CST Feb 14, 2026
Forecast Valid:
5pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation