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

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer 30.11 in (1020.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 1 Oct 11:55 pm CDT
Extended Forecast for

Wilton WI

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Northwest wind around 9 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 62. Northwest wind 5 to 10 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. South wind around 5 mph becoming light and variable after midnight.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Light west wind becoming northwest 6 to 11 mph in the morning.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Light north wind.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Northwest wind around 9 mph.
Friday
Sunny, with a high near 62. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 38. Calm wind.
Saturday
Sunny, with a high near 66. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 47. South wind around 5 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 66. Light west wind becoming northwest 6 to 11 mph in the morning.
Sunday Night
Clear, with a low around 38. Light north wind.
Monday
Sunny, with a high near 64. Calm wind.
Monday Night
Clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 67. South wind 5 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 51. South wind 6 to 8 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 72. West wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 48. Light west wind.
Thursday
Sunny, with a high near 70. Calm wind becoming west 5 to 8 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilton WI
 43.81°N 90.52°W
Last Update:
2:36 pm CDT Oct 1, 2026
Forecast Valid:
12am CDT Oct 2, 2026-6pm CDT Oct 8, 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