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

22°F

-6°C

Humidity 56%
Wind Speed Calm
Barometer 30.36 in (1029.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 28 Feb 8:55 pm CST
Extended Forecast for

4 Miles NW Melvina WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Light north wind.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Light northeast wind.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. Calm wind becoming southeast around 6 mph after midnight.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 41. South wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 41 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of snow before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 44. Light northeast wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Light east wind.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 46. East wind 3 to 5 mph.

    High: 46 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Partly cloudy, with a low around 34. Light southeast wind.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 8. Light north wind.
Sunday
Mostly sunny, with a high near 29. Light northeast wind.
Sunday Night
Mostly clear, with a low around 14. Calm wind becoming southeast around 6 mph after midnight.
Monday
Increasing clouds, with a high near 41. South wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
A slight chance of snow before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 44. Light northeast wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
Partly cloudy, with a low around 28. Light east wind.
Wednesday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 46. East wind 3 to 5 mph.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 34. Light southeast wind.
Thursday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 52. Southeast wind 3 to 6 mph.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38. Southeast wind around 6 mph.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 56. South wind around 7 mph becoming west in the afternoon.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33. West wind around 6 mph.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 53. West wind around 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
5:46 pm CST Feb 28, 2026
Forecast Valid:
9pm CST Feb 28, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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