Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

A Few Clouds

53°F

12°C

Humidity 94%
Wind Speed Calm
Barometer 30.00 in (1016.0 mb)
Dewpoint 51°F (11°C)
Visibility 9.00 mi
Last update 25 May 3:55 am CDT
Extended Forecast for

Sparta WI

  • Memorial Day

    Memorial Day: A 30 percent chance of showers, mainly before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 84. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 84 °F

    Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 90. Southwest wind 3 to 5 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am.  Partly cloudy, with a low around 61. Calm wind.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Calm wind becoming east around 5 mph after midnight.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Light east wind.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Memorial Day
A 30 percent chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 62. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Southwest wind 3 to 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind. 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 57. Calm wind becoming east around 5 mph after midnight.
Thursday
Sunny, with a high near 86. Light east wind.
Thursday Night
Partly cloudy, with a low around 54. Calm wind.
Friday
Mostly sunny, with a high near 82. Light and variable wind.
Friday Night
Partly cloudy, with a low around 53. Calm wind.
Saturday
Mostly sunny, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.95°N 90.81°W
3:26 am CDT May 25, 2026
4am CDT May 25, 2026-6pm CDT May 31, 2026
 
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Additional Resources

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