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

31°F

-1°C

Humidity 35%
Wind Speed Calm
Barometer 30.43 in (1032.1 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 1 Mar 3:55 pm CST
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Mostly clear, with a low around 15. Calm wind becoming south around 5 mph after midnight.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 41. South wind 5 to 7 mph becoming calm in the afternoon.

    High: 41 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Partly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.

    Low: 29 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 45. Calm wind becoming east around 5 mph.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33. Light east wind.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly cloudy, with a high near 50. East wind 3 to 5 mph.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Southeast wind 3 to 6 mph.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 15. Calm wind becoming south around 5 mph after midnight.
Monday
Increasing clouds, with a high near 41. South wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Calm wind.
Tuesday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Partly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 45. Calm wind becoming east around 5 mph.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33. Light east wind.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 50. East wind 3 to 5 mph.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Southeast wind 3 to 6 mph.
Friday
Rain. High near 60. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30. West wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 53. West wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 32. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 60. Southwest wind 8 to 13 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 90.79°W
Last Update:
2:36 pm CST Mar 1, 2026
Forecast Valid:
4pm CST Mar 1, 2026-6pm CDT Mar 8, 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