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

71°F

22°C

Humidity 30%
Wind Speed Calm
Barometer 29.62 in (1003.1 mb)
Dewpoint 38°F (3°C)
Visibility 9.00 mi
Last update 9 Mar 3:55 pm CDT
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northeast wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. East wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers and freezing rain after 4am. Mostly cloudy, with a low around 31. East wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Showers then
    Chance Wintry
    Mix

  • Wednesday

    Wednesday: A chance of snow showers and freezing rain before 7am, then a chance of snow showers between 7am and 4pm, then a slight chance of rain showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. North wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Chance Wintry
    Mix

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Northwest wind 3 to 8 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow showers, mainly before 1am. Mostly cloudy, with a low around 30. Breezy, with a south wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    Low: 30 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 44 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 26. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Northeast wind 5 to 9 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 51. East wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers and freezing rain after 4am. Mostly cloudy, with a low around 31. East wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of snow showers and freezing rain before 7am, then a chance of snow showers between 7am and 4pm, then a slight chance of rain showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. North wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 22. Northwest wind 3 to 8 mph.
Thursday
A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Rain likely, possibly mixed with snow showers, mainly before 1am. Mostly cloudy, with a low around 30. Breezy, with a south wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 44. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 30 mph.
Friday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 26. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
A 40 percent chance of snow showers. Cloudy, with a high near 40. Southeast wind 6 to 8 mph.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 27. East wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 36. Breezy, with a north wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 10. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Monday
Mostly cloudy, with a high near 26. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.76°W
Last Update:
1:21 pm CDT Mar 9, 2026
Forecast Valid:
4pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
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Additional Resources

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