Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

60°F

16°C

Humidity 41%
Wind Speed Calm
Barometer 29.84 in (1011.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 16 Feb 3:55 pm CST
Extended Forecast for

Sparta WI

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind becoming east around 5 mph after midnight.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 4pm.  Mostly cloudy, with a high near 51. East wind 5 to 15 mph, with gusts as high as 29 mph.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 41. East wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain.  Mostly sunny, with a high near 55. West wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 30. West wind around 6 mph becoming calm  in the evening.

    Low: 30 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of rain after noon.  Mostly sunny, with a high near 47. Calm wind becoming northeast 5 to 7 mph in the morning.

    High: 47 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain and snow likely.  Mostly cloudy, with a low around 28. Northeast wind around 7 mph becoming north after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 70%.

    Low: 28 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 36. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 20. Northwest wind 3 to 6 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Calm wind becoming east around 5 mph after midnight.
Tuesday
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 51. East wind 5 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41. East wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 55. West wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 30. West wind around 6 mph becoming calm in the evening.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 47. Calm wind becoming northeast 5 to 7 mph in the morning.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Northeast wind around 7 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 36. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 20. Northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 33. Northwest wind 3 to 6 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16. Light northwest wind.
Sunday
Partly sunny, with a high near 30. Northwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 11. Light northwest wind.
Monday
Sunny, with a high near 32. Calm wind becoming northwest around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
3:16 pm CST Feb 16, 2026
4pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database