Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

25°F

-4°C

Humidity 71%
Wind Speed Calm
Barometer 30.25 in (1025.9 mb)
Dewpoint 17°F (-8°C)
Visibility 9.00 mi
Last update 12 Feb 5:55 am CST
Extended Forecast for

Sparta WI

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind becoming southeast around 5 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. Light southwest wind.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Light south wind.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Light northwest wind.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 55. Calm wind becoming southwest around 6 mph.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind becoming southeast around 5 mph.
Tonight
Mostly clear, with a low around 26. Calm wind.
Friday
Sunny, with a high near 49. Light southwest wind.
Friday Night
Mostly clear, with a low around 26. Calm wind.
Saturday
Mostly sunny, with a high near 53. Light south wind.
Saturday Night
Mostly clear, with a low around 28. Calm wind.
Sunday
Sunny, with a high near 52. Light northwest wind.
Sunday Night
Mostly cloudy, with a low around 32. Calm wind.
Washington's Birthday
Partly sunny, with a high near 55. Calm wind becoming southwest around 6 mph.
Monday Night
Partly cloudy, with a low around 35. Calm wind.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 53. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. Southeast wind around 7 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A 40 percent chance of rain. Mostly sunny, with a high near 49. West wind 6 to 10 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
6:17 am CST Feb 12, 2026
6am CST Feb 12, 2026-6pm CST Feb 18, 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