National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Light Unknown Precip

11°F

-12°C

Humidity 83%
Wind Speed Calm
Barometer 30.17 in (1024.0 mb)
Dewpoint 6°F (-14°C)
Visibility 1.00 mi
Last update 30 Dec 9:55 am CST
Extended Forecast for

Melvina WI

  • Today

    Today: Snow and freezing rain, becoming all snow after 1pm. High near 26. Southwest wind 5 to 7 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total daytime snow accumulation of around an inch possible.

    High: 26 °F

    Snow then
    Wintry Mix

  • Tonight

    Tonight: A chance of snow, possibly mixing with freezing rain after 7pm, then gradually ending. Mostly cloudy, with a steady temperature around 23. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Wintry
    Mix then
    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a temperature rising to near 24 by 10am, then falling to around 15 during the remainder of the day. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 24 °F⇓

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -1. Wind chill values as low as -10. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: -1 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 16. West wind 3 to 5 mph.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 5. Calm wind.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 20. Calm wind becoming northwest around 5 mph.

    High: 20 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. Light northwest wind.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24. Light and variable wind.

    High: 24 °F

    Partly Sunny

Detailed Forecast

Today
Snow and freezing rain, becoming all snow after 1pm. High near 26. Southwest wind 5 to 7 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total daytime snow accumulation of around an inch possible.
Tonight
A chance of snow, possibly mixing with freezing rain after 7pm, then gradually ending. Mostly cloudy, with a steady temperature around 23. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a temperature rising to near 24 by 10am, then falling to around 15 during the remainder of the day. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -1. Wind chill values as low as -10. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.
New Year's Day
Partly sunny, with a high near 16. West wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 5. Calm wind.
Friday
Mostly sunny, with a high near 20. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 6. Light northwest wind.
Saturday
Partly sunny, with a high near 24. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 14. Calm wind becoming south around 5 mph after midnight.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 32. Southeast wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 17. South wind around 5 mph becoming west after midnight.
Monday
Partly sunny, with a high near 30. West wind 5 to 7 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:
10:06 am CST Dec 30, 2025
Forecast Valid:
10am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation