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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

28°F

-2°C

Humidity 77%
Wind Speed Calm
Barometer 30.01 in (1017.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 18 Apr 11:55 pm CDT
Extended Forecast for

Wilton WI

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 32. West wind 3 to 5 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Scattered snow showers before 9am, then scattered sprinkles and flurries between 9am and 10am. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 47. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 47 °F

    Scattered
    Sprinkles/Snow
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72. Light and variable wind becoming southwest around 5 mph in the morning.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. South wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 32. West wind 3 to 5 mph.
Sunday
Scattered snow showers before 9am, then scattered sprinkles and flurries between 9am and 10am. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 47. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 41. South wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 72. Light and variable wind becoming southwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 73. Calm wind becoming southeast 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 54. South wind 6 to 8 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 9 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. West wind 9 to 13 mph, with gusts as high as 21 mph.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 37. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 58. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Wilton WI
 43.81°N 90.52°W
Last Update:
12:06 am CDT Apr 19, 2026
Forecast Valid:
1am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

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Chance of Precipitation