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.

Partly Cloudy

42°F

6°C

Humidity 68%
Wind Speed Calm
Barometer 29.88 in (1012.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 16 Feb 5:55 pm CST
Extended Forecast for

3 Miles SW Warrens WI

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Calm wind becoming east 5 to 7 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 48. Breezy, with an east wind 8 to 18 mph, with gusts as high as 31 mph.

    High: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Rain, mainly before 2am. Low around 38. Breezy, with an east wind 13 to 18 mph becoming southeast 7 to 12 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Breezy, with a west wind 8 to 17 mph, with gusts as high as 30 mph.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 28. West wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 46. West wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 27. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 27 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 35. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18. Northwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. Calm wind becoming east 5 to 7 mph after midnight.
Tuesday
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 48. Breezy, with an east wind 8 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
Rain, mainly before 2am. Low around 38. Breezy, with an east wind 13 to 18 mph becoming southeast 7 to 12 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly sunny, with a high near 53. Breezy, with a west wind 8 to 17 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 28. West wind 6 to 8 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 46. West wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 27. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 35. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18. Northwest wind around 8 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 33. Northwest wind around 8 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14. Northwest wind around 6 mph.
Sunday
Partly sunny, with a high near 29. Northwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 9. Northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 31. Northwest wind 5 to 7 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:
5:31 pm CST Feb 16, 2026
Forecast Valid:
6pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation