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.

Fair

24°F

-4°C

Humidity 93%
Wind Speed Calm
Barometer 30.36 in (1029.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 11 Apr 2:55 am CDT
Extended Forecast for

4 Miles NW Melvina WI

  • Overnight

    Overnight: Clear, with a low around 31. Calm wind.

    Low: 31 °F

    Clear

  • Saturday

    Saturday: Showers likely, mainly after 5pm. Increasing clouds, with a high near 56. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 47. Breezy, with a south wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 59. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. Southwest wind around 7 mph. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 60. South wind around 8 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 56. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 31. Calm wind.
Saturday
Showers likely, mainly after 5pm. Increasing clouds, with a high near 56. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 47. Breezy, with a south wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 59. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. Southwest wind around 7 mph. Chance of precipitation is 30%.
Monday Night
Showers and possibly a thunderstorm. Low around 60. South wind around 8 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 56. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. West wind 7 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 52. South wind around 6 mph.
Thursday
A 30 percent chance of showers. Sunny, with a high near 77. South wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 54. South wind around 8 mph, with gusts as high as 18 mph.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 72. South wind 8 to 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
2:51 am CDT Apr 11, 2026
Forecast Valid:
3am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation