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

57°F

14°C

Humidity 48%
Wind Speed SW 16 mph
Barometer 29.51 in (999.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 9 Mar 2:55 am CDT
Extended Forecast for

4 Miles NW Melvina WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Southwest wind around 14 mph, with gusts as high as 33 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. Southwest wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Northeast wind around 6 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 54. East wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Rain showers likely before 4am, then snow showers and freezing rain likely. Mostly cloudy, with a low around 31. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Showers then
    Wintry Mix
    Likely

  • Wednesday

    Wednesday: Snow showers and freezing rain likely, becoming all snow after 7am. Mostly cloudy, with a high near 40. North wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    High: 40 °F

    Wintry Mix
    Likely then
    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Northwest wind 3 to 8 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 46 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow showers, mainly before 1am. Low around 30. Breezy, with a south wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    Low: 30 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Southwest wind around 14 mph, with gusts as high as 33 mph.
Monday
Partly sunny, with a high near 64. Southwest wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 37. Northeast wind around 6 mph.
Tuesday
Increasing clouds, with a high near 54. East wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Rain showers likely before 4am, then snow showers and freezing rain likely. Mostly cloudy, with a low around 31. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Wednesday
Snow showers and freezing rain likely, becoming all snow after 7am. Mostly cloudy, with a high near 40. North wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind 3 to 8 mph.
Thursday
A chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
Rain and snow showers, mainly before 1am. Low around 30. Breezy, with a south wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of snow showers before 1pm. Mostly sunny, with a high near 44. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 30 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Saturday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 44. South wind 5 to 8 mph.
Saturday Night
Snow showers likely. Cloudy, with a low around 28. East wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 39. Breezy, with an east wind 13 to 16 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
3:11 am CDT Mar 9, 2026
Forecast Valid:
3am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
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Additional Resources

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Chance of Precipitation