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

18°F

-8°C

Humidity 52%
Wind Speed Calm
Barometer 29.99 in (1017.6 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 2 Jan 3:55 pm CST
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. Light northwest wind.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 23. Calm wind becoming northwest around 6 mph.

    High: 23 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow and freezing rain between noon and 3pm, then a slight chance of freezing rain after 3pm. Increasing clouds, with a high near 27. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Wintry
    Mix

  • Sunday Night

    Sunday Night: A chance of snow and freezing rain before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 21. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Wintry
    Mix then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. South wind around 5 mph becoming calm in the morning.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Partly sunny, with a high near 38. Calm wind becoming west around 5 mph in the afternoon.

    High: 38 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. West wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 9. Light northwest wind.
Saturday
Mostly cloudy, with a high near 23. Calm wind becoming northwest around 6 mph.
Saturday Night
Partly cloudy, with a low around 4. Calm wind.
Sunday
A slight chance of snow and freezing rain between noon and 3pm, then a slight chance of freezing rain after 3pm. Increasing clouds, with a high near 27. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A chance of snow and freezing rain before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 21. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 38. South wind around 5 mph becoming calm in the morning.
Monday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 38. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 24. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 41. Calm wind becoming south around 5 mph.
Wednesday Night
Partly cloudy, with a low around 30. Light south wind.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 42. Light and variable wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29. Northwest wind 5 to 7 mph.
Friday
A chance of rain and snow. Mostly sunny, with a high near 37. Northwest wind around 8 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
4:31 pm CST Jan 2, 2026
Forecast Valid:
4pm CST Jan 2, 2026-6pm CST Jan 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation