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.

Overcast

54°F

12°C

Humidity 93%
Wind Speed Calm
Barometer 30.11 in (1020.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Oct 8:55 am CDT
Extended Forecast for

Wilton WI

  • Today

    Today: Partly sunny, with a high near 61. North wind 5 to 7 mph.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Calm wind becoming east around 5 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 10am. High near 56. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers before 1am. Low around 39. Breezy, with a light north wind becoming northwest 13 to 18 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54. Breezy, with a north wind 18 to 22 mph, with gusts as high as 34 mph.

    High: 54 °F

    Slight Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 28. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 28 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, sunny, with a high near 60. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 60 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38. Southwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 64 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 61. North wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 44. Calm wind becoming east around 5 mph after midnight.
Thursday
Showers, mainly after 10am. High near 56. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers before 1am. Low around 39. Breezy, with a light north wind becoming northwest 13 to 18 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54. Breezy, with a north wind 18 to 22 mph, with gusts as high as 34 mph.
Friday Night
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 28. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 60. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Clear, with a low around 38. Southwest wind around 11 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 64. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 44. Southwest wind 5 to 11 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilton WI
 43.84°N 90.52°W
Last Update:
6:10 am CDT Oct 14, 2026
Forecast Valid:
9am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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