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.

Partly Cloudy

45°F

7°C

Humidity 33%
Wind Speed N 13 G 20 mph
Barometer 30.13 in (1021.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Apr 11:55 am CDT
Extended Forecast for

Melvina WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 24. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 24 °F

    Clear

  • Monday

    Monday: Widespread frost before 7am. Otherwise, mostly sunny, with a high near 56. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. South wind around 5 mph becoming light and variable in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southeast wind 3 to 8 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. South wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 76 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 48. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 24. Northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 56. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 43. South wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 73. South wind around 5 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 76. Southeast wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 58. South wind 7 to 10 mph, with gusts as high as 22 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 11 to 18 mph, with gusts as high as 28 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. South wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64. West wind 10 to 13 mph, with gusts as high as 22 mph.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39. Northwest wind around 10 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 60. Northwest wind 9 to 11 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:
8:47 am CDT Apr 19, 2026
Forecast Valid:
12pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

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Chance of Precipitation