Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Light Rain

62°F

17°C

Humidity 94%
Wind Speed SE 12 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 60°F (16°C)
Visibility 8.00 mi
Last update 23 Jun 11:55 pm CDT
Extended Forecast for

Wilton WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Steady temperature around 62. East wind 6 to 8 mph becoming south.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind around 9 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm  after midnight.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Calm wind becoming north around 6 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Light northeast wind.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming east around 6 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. East wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 62. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 62. East wind 6 to 8 mph becoming south. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 75. Calm wind becoming north around 6 mph.
Thursday Night
Partly cloudy, with a low around 54. Light northeast wind.
Friday
Mostly sunny, with a high near 78. Calm wind becoming east around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 88. Breezy, with a southeast wind 8 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 72. Breezy, with a south wind 10 to 16 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 94. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind around 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Wilton WI
 43.81°N 90.52°W
12:21 am CDT Jun 24, 2026
12am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
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