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

16°F

-9°C

Humidity 42%
Wind Speed S 3 mph
Barometer 30.20 in (1025.5 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 4 Dec 3:55 pm CST
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Mostly cloudy, with a temperature falling to near 8 by 8pm, then rising to around 14 during the remainder of the night. Wind chill values as low as -7. South wind 9 to 14 mph, with gusts as high as 28 mph.

    Low: 8 °F⇑

    Mostly Cloudy

  • Friday

    Friday: A chance of flurries with a slight chance of snow before 9am, then snow likely, mainly after 4pm. Mostly cloudy, with a high near 29. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Slight Chance
    Snow then
    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow and freezing rain before 8pm, then a slight chance of snow between 8pm and midnight. Mostly cloudy, with a low around 12. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Wintry Mix
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 22. Northwest wind around 6 mph becoming calm in the morning.

    High: 22 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 7. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 7 °F

    Snow Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 17. North wind 3 to 6 mph.

    High: 17 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -6. Calm wind.

    Low: -6 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 22. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 22 °F

    Partly Sunny
    then Chance
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 13. South wind around 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a temperature falling to near 8 by 8pm, then rising to around 14 during the remainder of the night. Wind chill values as low as -7. South wind 9 to 14 mph, with gusts as high as 28 mph.
Friday
A chance of flurries with a slight chance of snow before 9am, then snow likely, mainly after 4pm. Mostly cloudy, with a high near 29. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of snow and freezing rain before 8pm, then a slight chance of snow between 8pm and midnight. Mostly cloudy, with a low around 12. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 22. Northwest wind around 6 mph becoming calm in the morning.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 7. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Sunday
Mostly sunny, with a high near 17. North wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around -6. Calm wind.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 22. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 13. South wind around 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 29. West wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 15. Southwest wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 27. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 3. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 21. West wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
4:06 pm CST Dec 4, 2025
Forecast Valid:
4pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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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