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.

Overcast

39°F

4°C

Humidity 78%
Wind Speed NW 10 mph
Barometer 30.24 in (1025.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 6 Apr 7:55 am CDT
Extended Forecast for

5 Miles SSW Sparta WI

  • Today

    Today: A chance of flurries before 1pm, then a slight chance of snow showers between 1pm and 5pm, then a chance of sprinkles and flurries after 5pm. Partly sunny, with a steady temperature around 36. Northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Sprinkles/Snow

  • Tonight

    Tonight: A chance of flurries before 8pm. Mostly clear, with a low around 16. Northwest wind 5 to 10 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.

    Low: 16 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: Sunny, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 1am, then rain and snow showers between 1am and 4am, then rain showers after 4am. Low around 32. Southeast wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Breezy, with a south wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Southwest wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers. Sunny, with a high near 60. West wind 6 to 9 mph.

    High: 60 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Sunny, with a high near 56. Light north wind.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A chance of flurries before 1pm, then a slight chance of snow showers between 1pm and 5pm, then a chance of sprinkles and flurries after 5pm. Partly sunny, with a steady temperature around 36. Northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries before 8pm. Mostly clear, with a low around 16. Northwest wind 5 to 10 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A chance of snow showers before 1am, then rain and snow showers between 1am and 4am, then rain showers after 4am. Low around 32. Southeast wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Breezy, with a south wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Southwest wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers. Sunny, with a high near 60. West wind 6 to 9 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 1pm. Sunny, with a high near 56. Light north wind.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 35. Light and variable wind.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 60. Southeast wind 5 to 9 mph.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 72. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
8:57 am CDT Apr 6, 2026
Forecast Valid:
9am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation