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

44°F

7°C

Humidity 36%
Wind Speed NW 16 G 28 mph
Barometer 30.27 in (1026.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 6 Apr 3:55 pm CDT
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 22 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Rain and snow showers likely, becoming all rain after 4am. Mostly cloudy, with a low around 33. South wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Partly sunny, with a high near 65. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 38. Southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 57. West wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 57 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35. Light north wind.

    Low: 35 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Mostly sunny, with a high near 58. Northwest wind 3 to 5 mph.

    High: 58 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. Northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 45. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Rain and snow showers likely, becoming all rain after 4am. Mostly cloudy, with a low around 33. South wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Showers likely, mainly after 1pm. Partly sunny, with a high near 65. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 38. Southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 57. West wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35. Light north wind.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 58. Northwest wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 34. Light and variable wind.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 61. Light east wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Showers likely. Mostly cloudy, with a low around 48. Southeast wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 70. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 59. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
4:06 pm CDT Apr 6, 2026
Forecast Valid:
4pm CDT Apr 6, 2026-6pm CDT Apr 13, 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