National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair with Haze

74°F

23°C

Humidity 72%
Wind Speed Calm
Barometer 29.85 in (1010.7 mb)
Dewpoint 65°F (18°C)
Visibility 2.75 mi
Last update 19 Jun 8:55 pm CDT
Extended Forecast for

5 Miles N Wilton WI

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a chance of showers after 5am. Increasing clouds, with a low around 64. South wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Heat index values as high as 101. Breezy, with a southwest wind around 18 mph, with gusts as high as 29 mph.

    High: 93 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Breezy, with a southwest wind around 16 mph, with gusts as high as 28 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 94. Breezy, with a south wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. Breezy, with a south wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. West wind 5 to 8 mph. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a chance of showers after 5am. Increasing clouds, with a low around 64. South wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind 9 to 15 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 93. Heat index values as high as 101. Breezy, with a southwest wind around 18 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 77. Breezy, with a southwest wind around 16 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 94. Breezy, with a south wind 14 to 18 mph, with gusts as high as 29 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. Breezy, with a south wind 14 to 16 mph, with gusts as high as 28 mph.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. West wind 5 to 8 mph. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Northeast wind around 7 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. North wind around 6 mph becoming southeast after midnight. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 77. Southeast wind 7 to 9 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 62. Southeast wind around 7 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Southwest wind 6 to 9 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Wilton WI
 43.88°N 90.52°W
Last Update:
5:43 pm CDT Jun 19, 2025
Forecast Valid:
9pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation