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.

Fair

27°F

-3°C

Humidity 95%
Wind Speed Calm
Barometer 30.04 in (1018.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 10 Jan 3:55 am CST
Extended Forecast for

Melvina WI

  • Overnight

    Overnight: A 40 percent chance of snow, mainly after 5am. Cloudy, with a steady temperature around 28. Calm wind. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Snow with a chance of flurries before 9am, then a chance of snow after 3pm. High near 31. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 10pm, then a chance of flurries between 10pm and midnight. Mostly cloudy, with a low around 17. Northwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29. Northwest wind 6 to 13 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 22. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. West wind around 7 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain. Partly sunny, with a high near 45. West wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 23. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly after 5am. Cloudy, with a steady temperature around 28. Calm wind. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow with a chance of flurries before 9am, then a chance of snow after 3pm. High near 31. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of snow before 10pm, then a chance of flurries between 10pm and midnight. Mostly cloudy, with a low around 17. Northwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 29. Northwest wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 22. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 40. West wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 45. West wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 23. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 29. North wind around 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 14. North wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 30. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Southwest wind around 8 mph, with gusts as high as 18 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. West wind 8 to 10 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:
3:16 am CST Jan 10, 2026
Forecast Valid:
4am CST Jan 10, 2026-6pm CST Jan 16, 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