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.

Overcast

29°F

-2°C

Humidity 63%
Wind Speed SE 7 mph
Barometer 30.21 in (1024.6 mb)
Dewpoint 18°F (-8°C)
Visibility 9.00 mi
Wind Chill22°F (-6°C)
Last update 8 Feb 1:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 34. Southeast wind 5 to 8 mph.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. South wind 3 to 5 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. South wind around 6 mph becoming calm in the afternoon.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. Calm wind becoming northwest around 6 mph after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. Northwest wind 3 to 7 mph. Winds could gust as high as 18 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Light northwest wind.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 38. Light southeast wind.

    High: 38 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 34. Southeast wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 21. South wind 3 to 5 mph.
Monday
Partly sunny, with a high near 41. South wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. Calm wind becoming northwest around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 39. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 20. Northwest wind 3 to 7 mph. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 36. Light northwest wind.
Wednesday Night
Mostly cloudy, with a low around 21. Calm wind.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 38. Light southeast wind.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. Calm wind.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 40. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 26. Light south wind.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 42. South wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
12:51 pm CST Feb 8, 2026
Forecast Valid:
2pm CST Feb 8, 2026-6pm CST Feb 14, 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