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.

Overcast

63°F

17°C

Humidity 94%
Wind Speed Calm
Barometer 29.71 in (1006.4 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 12 Apr 10:55 am CDT
Extended Forecast for

4 Miles NW Melvina WI

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 74. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 34 mph.

    High: 74 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Breezy, with a southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Southwest wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. West wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph becoming east after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. South wind 6 to 9 mph. Chance of precipitation is 60%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southeast wind 6 to 8 mph becoming southwest after midnight. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 74. West wind 6 to 8 mph.

    High: 74 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 74. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a low around 59. Breezy, with a southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Southwest wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. West wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph becoming east after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. South wind 6 to 9 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southeast wind 6 to 8 mph becoming southwest after midnight. Chance of precipitation is 50%.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74. West wind 6 to 8 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 54. South wind 6 to 8 mph, with gusts as high as 18 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 76. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 42. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 54. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
9:31 am CDT Apr 12, 2026
Forecast Valid:
11am CDT Apr 12, 2026-6pm CDT Apr 18, 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