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.

N/A

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

Melvina WI

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 47. Southwest wind 5 to 8 mph becoming east in the evening.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Partly sunny, with a high near 60. East wind 5 to 13 mph becoming north in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Northeast wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 43. East wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 43 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers before 4am, then rain showers and freezing rain, possibly mixed with snow showers. Low around 30. Breezy, with an east wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Wintry Mix
    and Breezy

  • Thursday

    Thursday: Rain showers and freezing rain, possibly mixed with snow showers, becoming all rain after 7am. High near 49. Breezy, with an east wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Wintry Mix
    and Breezy
    then Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 31. Northeast wind 9 to 13 mph becoming west in the evening. Winds could gust as high as 22 mph.

    Low: 31 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 52. Northwest wind 7 to 9 mph becoming east in the afternoon.

    High: 52 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, then showers after 1am. Low around 36. East wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 36 °F

    Showers

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 47. Southwest wind 5 to 8 mph becoming east in the evening.
Tuesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Partly sunny, with a high near 60. East wind 5 to 13 mph becoming north in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 32. Northeast wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday
A chance of snow showers after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 43. East wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Rain and snow showers before 4am, then rain showers and freezing rain, possibly mixed with snow showers. Low around 30. Breezy, with an east wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.
Thursday
Rain showers and freezing rain, possibly mixed with snow showers, becoming all rain after 7am. High near 49. Breezy, with an east wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 31. Northeast wind 9 to 13 mph becoming west in the evening. Winds could gust as high as 22 mph.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 52. Northwest wind 7 to 9 mph becoming east in the afternoon.
Friday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 36. East wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 47. Northeast wind 13 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 47. Northwest wind 13 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 28. Northwest wind 6 to 9 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 54. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
2:31 pm CDT Mar 30, 2026
Forecast Valid:
3pm CDT Mar 30, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation