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.

Mostly Cloudy

45°F

7°C

Humidity 56%
Wind Speed Calm
Barometer 30.11 in (1020.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 31 Mar 10:55 pm CDT
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Northeast wind 6 to 8 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. East wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers, mainly after 10pm. Low around 32. Breezy, with an east wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 32 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm. High near 59. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 59 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 34. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 57. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 38. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 47. Breezy, with a west wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 47 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 28. Breezy, with a northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Northeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 49. East wind 6 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Showers, mainly after 10pm. Low around 32. Breezy, with an east wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Showers, with thunderstorms also possible after 4pm. High near 59. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 34. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 57. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 38. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 47. Breezy, with a west wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 28. Breezy, with a northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 49. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 50. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 27. North wind around 7 mph.
Tuesday
Mostly sunny, with a high near 48. Northeast wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
11:31 pm CDT Mar 31, 2026
Forecast Valid:
11pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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