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.

Fair

67°F

19°C

Humidity 63%
Wind Speed SW 8 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 25 May 5:55 am CDT
Extended Forecast for

5 Miles N Wilton WI

  • Memorial Day

    Memorial Day: A chance of showers before noon, then a chance of sprinkles between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Breezy, with a south wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind around 10 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 18 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Light southwest wind. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. East wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. East wind 5 to 8 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Light southeast wind.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. Southeast wind 3 to 5 mph.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Memorial Day
A chance of showers before noon, then a chance of sprinkles between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Breezy, with a south wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 61. South wind around 10 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Light southwest wind. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 55. East wind 5 to 8 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 83. East wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 53. Light southeast wind.
Friday
Mostly sunny, with a high near 79. Southeast wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 52. Light east wind.
Saturday
Mostly sunny, with a high near 77. East wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 51. East wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 78. East wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Wilton WI
 43.88°N 90.52°W
Last Update:
5:46 am CDT May 25, 2026
Forecast Valid:
6am CDT May 25, 2026-6pm CDT May 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation