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

51°F

11°C

Humidity 63%
Wind Speed E 16 G 24 mph
Barometer 29.58 in (1002.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Feb 4:55 pm CST
Extended Forecast for

3 Miles SW Warrens WI

  • Tonight

    Tonight: Rain and thunderstorms before 4am, then a chance of showers and thunderstorms between 4am and 5am, then a slight chance of rain after 5am. Low around 41. Breezy, with an east wind 14 to 18 mph becoming south after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: A slight chance of rain between 11am and 3pm. Mostly sunny, with a high near 53. Breezy, with a west wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. West wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 46. Northwest wind 5 to 9 mph becoming northeast in the afternoon.

    High: 46 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 25. Northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 35. West wind 10 to 14 mph, with gusts as high as 23 mph. New snow accumulation of around an inch possible.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. West wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny, with a high near 33. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 33 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Rain and thunderstorms before 4am, then a chance of showers and thunderstorms between 4am and 5am, then a slight chance of rain after 5am. Low around 41. Breezy, with an east wind 14 to 18 mph becoming south after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of rain between 11am and 3pm. Mostly sunny, with a high near 53. Breezy, with a west wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 27. West wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 46. Northwest wind 5 to 9 mph becoming northeast in the afternoon.
Thursday Night
A chance of rain before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 25. Northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 35. West wind 10 to 14 mph, with gusts as high as 23 mph. New snow accumulation of around an inch possible.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. West wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 33. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 27. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 7. North wind 5 to 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 29. North wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 13. Calm wind becoming southeast 5 to 8 mph in the evening.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 36. Southeast wind 8 to 13 mph, with gusts as high as 23 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:
5:36 pm CST Feb 17, 2026
Forecast Valid:
5pm CST Feb 17, 2026-6pm CST Feb 24, 2026
 
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