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.

Thunderstorm in Vicinity

67°F

19°C

Humidity 95%
Wind Speed Calm
Barometer 29.97 in (1014.8 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 16 Jun 6:55 am CDT
Extended Forecast for

Wilton WI

  • Today

    Today: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 65. South wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. West wind around 7 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 65. South wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. West wind around 7 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. South wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 89. Southwest wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 72. South wind around 9 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilton WI
 43.81°N 90.52°W
Last Update:
5:29 am CDT Jun 16, 2025
Forecast Valid:
7am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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