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

27°F

-3°C

Humidity 78%
Wind Speed SW 8 mph
Barometer 30.16 in (1022.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 11 Jan 8:55 pm CST
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Partly cloudy, with a low around 23. West wind 7 to 13 mph, with gusts as high as 29 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. West wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 30. Light southwest wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 20 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 45. Breezy, with a west wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 45 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Blustery.
    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before noon. Partly sunny, with a high near 28. Blustery, with a north wind 18 to 23 mph, with gusts as high as 40 mph.

    High: 28 °F

    Blustery.
    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. North wind 5 to 14 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 27. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 27 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 21. South wind around 8 mph. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. West wind 7 to 13 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 43. West wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
Increasing clouds, with a low around 30. Light southwest wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 45. Breezy, with a west wind 13 to 18 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of snow before noon. Partly sunny, with a high near 28. Blustery, with a north wind 18 to 23 mph, with gusts as high as 40 mph.
Wednesday Night
Partly cloudy, with a low around 10. North wind 5 to 14 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 27. Light and variable wind becoming south 5 to 7 mph in the morning.
Thursday Night
Snow likely. Mostly cloudy, with a low around 21. South wind around 8 mph. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 30. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 11. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 19. Northwest wind around 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 5. West wind around 10 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 22. West wind 9 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.76°W
Last Update:
8:37 pm CST Jan 11, 2026
Forecast Valid:
9pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation