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

24°F

-4°C

Humidity 75%
Wind Speed NW 7 mph
Barometer 30.14 in (1022.2 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Jan 1:55 am CST
Extended Forecast for

Melvina WI

  • Overnight

    Overnight: Scattered snow showers, mainly before 4am. Cloudy, with a low around 17. Blustery, with a northwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of around an inch possible.

    Low: 17 °F

    Scattered
    Snow Showers
    and Blustery

  • Sunday

    Sunday: Partly sunny, with a high near 29. Northwest wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 29 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. West wind 5 to 7 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 45. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 21. Northwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 27. North wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 27 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. North wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered snow showers, mainly before 4am. Cloudy, with a low around 17. Blustery, with a northwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of around an inch possible.
Sunday
Partly sunny, with a high near 29. Northwest wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 42. West wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.
Tuesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 45. West wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 21. Northwest wind around 14 mph, with gusts as high as 26 mph.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 27. North wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 12. North wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 30. Light southwest wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Snow likely. Mostly cloudy, with a low around 21. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 30. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10. Northwest wind around 11 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, with a high near 19. Northwest wind around 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 90.76°W
Last Update:
1:31 am CST Jan 11, 2026
Forecast Valid:
2am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation