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 77%
Wind Speed Calm
Barometer 29.95 in (1015.5 mb)
Dewpoint 29°F (-2°C)
Visibility 9.00 mi
Last update 12 Jan 4:55 pm CST
Extended Forecast for

4 Miles NW Melvina WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 44. Breezy, with a west wind 13 to 17 mph, with gusts as high as 33 mph.

    High: 44 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 36 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Blustery, with a north wind 16 to 21 mph, with gusts as high as 36 mph.

    High: 24 °F

    Mostly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 7. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph.

    Low: 7 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow after noon. Partly sunny, with a high near 27. Calm wind becoming south 5 to 8 mph in the morning. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 21. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 31. Northwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 7. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 7 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday
Increasing clouds, with a high near 44. Breezy, with a west wind 13 to 17 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 17. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 36 mph.
Wednesday
Mostly sunny, with a high near 24. Blustery, with a north wind 16 to 21 mph, with gusts as high as 36 mph.
Wednesday Night
Mostly clear, with a low around 7. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 27. Calm wind becoming south 5 to 8 mph in the morning. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 21. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday
Snow. High near 31. Northwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 7. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 13. Northwest wind around 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 0. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 14. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 1. West wind 8 to 10 mph, with gusts as high as 21 mph.
M.L.King Day
Partly sunny, with a high near 17. Northwest wind 8 to 10 mph, with gusts as high as 20 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:
5:06 pm CST Jan 12, 2026
Forecast Valid:
5pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation