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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles NW Melvina WI

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 47. Southwest wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 47. Light and variable wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 61. South wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. North wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 44. East wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 44 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely, possibly mixed with rain before 10pm, then freezing rain, possibly mixed with snow showers. Low around 30. Breezy, with an east wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 30 °F

    Wintry Mix
    and Breezy

  • Thursday

    Thursday: Rain showers and freezing rain, possibly mixed with snow showers, becoming all rain after 1pm. High near 41. Breezy, with an east wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

    High: 41 °F

    Wintry Mix
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 30. Northeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 47. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 47. Light and variable wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 61. South wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 30. North wind 7 to 13 mph, with gusts as high as 24 mph.
Wednesday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 44. East wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Snow showers likely, possibly mixed with rain before 10pm, then freezing rain, possibly mixed with snow showers. Low around 30. Breezy, with an east wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday
Rain showers and freezing rain, possibly mixed with snow showers, becoming all rain after 1pm. High near 41. Breezy, with an east wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Thursday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 30. Northeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 49. North wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 35. East wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 49. East wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. West wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 46. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
1:26 am CDT Mar 30, 2026
Forecast Valid:
3am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation