Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

39°F

4°C

Humidity 41%
Wind Speed Calm
Barometer 30.23 in (1024.8 mb)
Dewpoint 17°F (-8°C)
Visibility 9.00 mi
Last update 7 Apr 10:55 pm CDT
Extended Forecast for

Sparta WI

  • Tonight

    Tonight: A slight chance of snow showers before 1am, then a chance of sleet between 1am and 2am, then rain showers likely after 2am.  Mostly cloudy, with a low around 33. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.

    Low: 33 °F

    Wintry Mix
    Likely

  • Wednesday

    Wednesday: A slight chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 67. Breezy, with a south wind 13 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 10pm.  Low around 32. West wind 5 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Showers then
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 54. West wind 5 to 7 mph.

    High: 54 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 33. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 55. Calm wind becoming northwest around 5 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 62. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 62 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 48. Southeast wind around 8 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers

Detailed Forecast

Tonight
A slight chance of snow showers before 1am, then a chance of sleet between 1am and 2am, then rain showers likely after 2am. Mostly cloudy, with a low around 33. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.
Wednesday
A slight chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 67. Breezy, with a south wind 13 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 10pm. Low around 32. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 54. West wind 5 to 7 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 33. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 55. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly clear, with a low around 31. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 62. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 72. Breezy, with a south wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Monday Night
Showers likely. Partly cloudy, with a low around 41. Southwest wind around 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 56. North wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
11:46 pm CDT Apr 7, 2026
11pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
 
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