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

11°F

-12°C

Humidity 74%
Wind Speed Calm
Barometer 29.94 in (1016.3 mb)
Dewpoint 4°F (-16°C)
Visibility 9.00 mi
Last update 1 Jan 1:55 pm CST
Extended Forecast for

Melvina WI

  • New Year's Day

    New Year's Day: A chance of snow before 3pm, then scattered flurries between 3pm and 4pm. Mostly cloudy, with a high near 12. Calm wind. Chance of precipitation is 30%.

    High: 12 °F

    Chance Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Calm wind.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17. Wind chill values as low as zero. Light northwest wind.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

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

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5. Calm wind.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 28. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow and freezing rain before midnight. Mostly cloudy, with a low around 22. South wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Wintry
    Mix then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. Light southwest wind.

    High: 39 °F

    Partly Sunny

Detailed Forecast

New Year's Day
A chance of snow before 3pm, then scattered flurries between 3pm and 4pm. Mostly cloudy, with a high near 12. Calm wind. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 1. Calm wind.
Friday
Mostly sunny, with a high near 17. Wind chill values as low as zero. Light northwest wind.
Friday Night
Mostly cloudy, with a low around 9. Calm wind.
Saturday
Partly sunny, with a high near 24. Light west wind.
Saturday Night
Mostly clear, with a low around 5. Calm wind.
Sunday
Partly sunny, with a high near 28. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A chance of snow and freezing rain before midnight. Mostly cloudy, with a low around 22. South wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 39. Light southwest wind.
Monday Night
Mostly cloudy, with a low around 27. Calm wind.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 39. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 21. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 38. Southwest 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:
1:36 pm CST Jan 1, 2026
Forecast Valid:
2pm CST Jan 1, 2026-6pm CST Jan 7, 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