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

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

47°F

8°C

Humidity 50%
Wind Speed Calm
Barometer 29.98 in (1016.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Nov 2:55 pm CST
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Mostly clear, with a low around 23. Light and variable wind.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 52. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West wind around 6 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 52. South wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Low around 40. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 49. West wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 49 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 25. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Light and variable wind.
Saturday
Mostly sunny, with a high near 52. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 28. West wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 53. Light and variable wind.
Sunday Night
Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.
Monday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 52. South wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 40. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 49. West wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 25. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 36. Breezy, with a west wind 13 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 19. West wind 9 to 11 mph, with gusts as high as 23 mph.
Thanksgiving Day
Partly sunny, with a high near 33. West wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 15. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 32. Northwest 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:
3:16 pm CST Nov 21, 2025
Forecast Valid:
3pm CST Nov 21, 2025-6pm CST Nov 28, 2025
 
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