Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

29°F

-2°C

Humidity 74%
Wind Speed Calm
Barometer 30.31 in (1027.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 23 Mar 3:55 am CDT
Extended Forecast for

Sparta WI

  • Today

    Today: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Southwest wind 3 to 6 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Light south wind.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Southwest wind 3 to 6 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 62. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. North wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. North wind 5 to 8 mph.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 48. Calm wind.
Tonight
Increasing clouds, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 56. Southwest wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Light south wind.
Wednesday
Partly sunny, with a high near 64. Southwest wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 43. Calm wind.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 62. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 25. North wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 44. North wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 23. West wind 3 to 6 mph.
Saturday
Sunny, with a high near 51. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 31. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 60. Southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
1:26 am CDT Mar 23, 2026
4am CDT Mar 23, 2026-6pm CDT Mar 29, 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