Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Light Rain

48°F

9°C

Humidity 50%
Wind Speed S 10 mph
Barometer 29.95 in (1014.7 mb)
Dewpoint 30°F (-1°C)
Visibility 7.00 mi
Wind Chill44°F (7°C)
Last update 12 May 6:55 am CDT
Extended Forecast for

Sparta WI

  • Today

    Today: Showers likely, mainly before 9am.  Cloudy through mid morning, then gradual clearing, with a high near 77. Breezy, with a south wind 13 to 21 mph becoming west in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Breezy.
    Showers
    Likely then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Breezy, with a northwest wind 8 to 16 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 68. North wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 68 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 39. North wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am.  Mostly cloudy, with a low around 51. South wind 7 to 9 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 84. Southwest wind 8 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Showers likely, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 77. Breezy, with a south wind 13 to 21 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 45. Breezy, with a northwest wind 8 to 16 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 68. North wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 39. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 51. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Calm wind becoming east 5 to 7 mph after midnight.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Southeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77. West wind 8 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
7:21 am CDT May 12, 2026
7am CDT May 12, 2026-6pm CDT May 18, 2026
 
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