Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 65. South wind around 8 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 42. Light south wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 10pm.  Mostly cloudy, with a low around 46. East wind around 6 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers.  Mostly cloudy, with a high near 60. Southeast wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. East wind 3 to 8 mph.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 1am, then snow showers likely.  Mostly cloudy, with a low around 28. East wind 7 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow showers likely.  Mostly cloudy, with a high near 41. East wind 9 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 65. South wind around 8 mph.
Tonight
Mostly clear, with a low around 42. Light south wind.
Monday
Sunny, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 46. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 60. Southeast wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 29. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 48. East wind 3 to 8 mph.
Wednesday Night
A chance of rain and snow showers before 1am, then snow showers likely. Mostly cloudy, with a low around 28. East wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday
Rain and snow showers likely. Mostly cloudy, with a high near 41. East wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 1am, then a slight chance of freezing rain. Mostly cloudy, with a low around 27. East wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 49. East wind 5 to 8 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 35. East wind around 7 mph.
Saturday
Showers likely. Mostly cloudy, with a high near 54. Southeast wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
1:11 pm CDT Mar 29, 2026
1pm CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
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