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.

Fair

36°F

2°C

Humidity 52%
Wind Speed Calm
Barometer 30.22 in (1024.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 24 Mar 6:55 am CDT
Extended Forecast for

5 Miles NW Sparta WI

  • Today

    Today: Mostly cloudy, with a high near 55. Southwest wind 5 to 7 mph.

    High: 55 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Calm wind becoming south around 5 mph after midnight.

    Low: 35 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. South wind 3 to 7 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Light south wind.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. North wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 43. North wind 5 to 9 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. West wind 3 to 7 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 55. Southwest wind 5 to 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 65. South wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 45. Light south wind.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. North wind 5 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 24. North wind 6 to 11 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 43. North wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 22. West wind 3 to 7 mph.
Saturday
Sunny, with a high near 53. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 33. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 59. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 36. South wind around 7 mph.
Monday
Mostly sunny, with a high near 66. South wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Sparta WI
 43.99°N 90.87°W
Last Update:
7:16 am CDT Mar 24, 2026
Forecast Valid:
7am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation