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

31°F

-1°C

Humidity 94%
Wind Speed Calm
Barometer 30.04 in (1018.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 8 Nov 9:55 pm CST
Extended Forecast for

Sparta WI

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 54. Calm wind becoming north around 5 mph.

    High: 54 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Light north wind.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 42. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Light north wind.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Calm wind.
Monday
Partly sunny, with a high near 63. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 60. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 37. Calm wind.
Veterans Day
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 54. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 30. Light north wind.
Thursday
Partly sunny, with a high near 42. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 25. Light north wind.
Friday
Sunny, with a high near 42. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, with a low around 26. Calm wind.
Saturday
Sunny, with a high near 44. Calm wind.
Saturday Night
Partly cloudy, with a low around 31. Calm wind.
Sunday
Sunny, with a high near 51. Calm wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.78°W
Last Update:
11:21 pm CST Nov 8, 2026
Forecast Valid:
11pm CST Nov 8, 2026-6pm CST Nov 15, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation