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.

A Few Clouds

21°F

-6°C

Humidity 69%
Wind Speed NW 6 mph
Barometer 30.12 in (1021.6 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 21 Feb 8:55 am CST
Extended Forecast for

Melvina WI

  • Today

    Today: Partly sunny, with a high near 25. Northeast wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 25 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of flurries after 4am. Cloudy, with a low around 12. Wind chill values as low as -1. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 12 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before noon. Partly sunny, with a high near 23. Wind chill values as low as -3. Northwest wind around 15 mph, with gusts as high as 26 mph.

    High: 23 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 8. Wind chill values as low as -3. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.

    Low: 8 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 24. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Calm wind becoming south around 6 mph after midnight.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow. Partly sunny, with a high near 34. South wind 6 to 8 mph.

    High: 34 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 20. West wind around 6 mph.

    Low: 20 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 36. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 25. Northeast wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
A chance of flurries after 4am. Cloudy, with a low around 12. Wind chill values as low as -1. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
A chance of flurries before noon. Partly sunny, with a high near 23. Wind chill values as low as -3. Northwest wind around 15 mph, with gusts as high as 26 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 8. Wind chill values as low as -3. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 24. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 10. Calm wind becoming south around 6 mph after midnight.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 34. South wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20. West wind around 6 mph.
Wednesday
A chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 36. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 13. Northwest wind 6 to 8 mph.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 36. Northwest wind around 7 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 21. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 46. Southwest wind 6 to 9 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 90.79°W
Last Update:
8:12 am CST Feb 21, 2026
Forecast Valid:
9am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

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Chance of Precipitation