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Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

22°F

-6°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1017.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 22 Nov 5:55 am CST
Extended Forecast for

Sparta WI

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 53. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind 3 to 7 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Light west wind.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Rain likely after noon. Mostly cloudy, with a high near 52. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Partly Sunny
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain. Low around 40. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 51. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight, then a chance of snow. Mostly cloudy, with a low around 25. West wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Rain
    then Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 36. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 36 °F

    Slight Chance
    Snow then
    Partly Sunny
    and Breezy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 26. West wind 3 to 7 mph.
Sunday
Sunny, with a high near 54. Light west wind.
Sunday Night
Mostly clear, with a low around 30. Calm wind.
Monday
Rain likely after noon. Mostly cloudy, with a high near 52. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 40. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 51. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A chance of rain before midnight, then a chance of snow. Mostly cloudy, with a low around 25. West wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 36. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 18. West wind 6 to 9 mph, with gusts as high as 21 mph.
Thanksgiving Day
Mostly sunny, with a high near 32. West wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 15. Northwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 32. Calm wind becoming northwest around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.95°N 90.81°W
Last Update:
5:26 am CST Nov 22, 2025
Forecast Valid:
6am CST Nov 22, 2025-6pm CST Nov 28, 2025
 
Forecast Discussion
 
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Additional Resources

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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