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

74°F

23°C

Humidity 52%
Wind Speed SE 6 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 1 Oct 5:55 pm CDT
Extended Forecast for

Wilton WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Southeast wind 3 to 7 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84. South wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Light south wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. South wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. South wind around 10 mph, with gusts as high as 22 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Breezy, with a south wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 52. Southwest wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. Southeast wind 3 to 7 mph.
Thursday
Sunny, with a high near 84. South wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 61. Light south wind.
Friday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 65. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 64. South wind around 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 82. Breezy, with a south wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 52. Southwest wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 68. Northwest wind around 7 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 64. Light and variable wind becoming northeast 5 to 7 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:
5:28 pm CDT Oct 1, 2025
Forecast Valid:
6pm CDT Oct 1, 2025-6pm CDT Oct 8, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation