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.

Overcast

22°F

-6°C

Humidity 82%
Wind Speed Calm
Barometer 29.61 in (1004.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 15 Jan 7:55 pm CST
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Snow likely, mainly after 1am. Cloudy, with a temperature rising to around 29 by 4am. Southwest wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 24 °F⇑

    Chance Snow
    then Snow
    Likely

  • Friday

    Friday: Snow showers likely, mainly between 10am and 5pm. Patchy blowing snow between 1pm and 3pm. Cloudy, with a temperature rising to near 30 by 9am, then falling to around 21 during the remainder of the day. Breezy, with a west wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 30 °F⇓

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 8. Wind chill values as low as -7. Northwest wind 11 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 17. Wind chill values as low as -7. Northwest wind 11 to 14 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 17 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -1. Northwest wind 6 to 14 mph, with gusts as high as 26 mph.

    Low: -1 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 16. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 16 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -4. Blustery, with a northwest wind 11 to 18 mph, with gusts as high as 31 mph.

    Low: -4 °F

    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 4. Blustery, with a northwest wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 4 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. West wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 1am. Cloudy, with a temperature rising to around 29 by 4am. Southwest wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Friday
Snow showers likely, mainly between 10am and 5pm. Patchy blowing snow between 1pm and 3pm. Cloudy, with a temperature rising to near 30 by 9am, then falling to around 21 during the remainder of the day. Breezy, with a west wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8. Wind chill values as low as -7. Northwest wind 11 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 17. Wind chill values as low as -7. Northwest wind 11 to 14 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around -1. Northwest wind 6 to 14 mph, with gusts as high as 26 mph.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 16. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around -4. Blustery, with a northwest wind 11 to 18 mph, with gusts as high as 31 mph.
M.L.King Day
Partly sunny and cold, with a high near 4. Blustery, with a northwest wind 11 to 16 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around -4. West wind 6 to 10 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 16. Southwest wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 8. Southwest wind around 6 mph becoming west after midnight.
Wednesday
Partly sunny, with a high near 21. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 5. West wind around 7 mph.
Thursday
Partly sunny, with a high near 23. Southwest wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
6:36 pm CST Jan 15, 2026
Forecast Valid:
8pm CST Jan 15, 2026-6pm CST Jan 22, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation