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

17°F

-8°C

Humidity 62%
Wind Speed NW 15 G 21 mph
Barometer 30.43 in (1032.5 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 22 Feb 1:55 pm CST
Extended Forecast for

Melvina WI

  • This Afternoon

    This Afternoon: A chance of flurries. Mostly cloudy, with a high near 20. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 20 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: A chance of flurries before 7pm. Mostly cloudy, with a low around 6. Wind chill values as low as -6. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 6 °F

    Chance
    Flurries

  • Monday

    Monday: Mostly sunny, with a high near 24. Wind chill values as low as -6. Northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 22 mph.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow. Partly sunny, with a high near 37. South wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 12. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 26. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.

    High: 26 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 34. Light and variable wind becoming west around 6 mph in the morning.

    High: 34 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a high near 20. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tonight
A chance of flurries before 7pm. Mostly cloudy, with a low around 6. Wind chill values as low as -6. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 24. Wind chill values as low as -6. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 12. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 22 mph.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 37. South wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 12. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 26. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 12. Light and variable wind.
Thursday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 34. Light and variable wind becoming west around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 20. South wind around 6 mph.
Friday
Mostly sunny, with a high near 47. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 22. Southwest wind around 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 35. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
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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:
1:51 pm CST Feb 22, 2026
Forecast Valid:
2pm CST Feb 22, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation