Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
41°F
5°C
| Humidity | 63% |
| Wind Speed | Calm |
| Barometer | 29.85 in (1011.6 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 5 May 9:55 pm CDT |
Extended Forecast for
Wilton WI
Freeze Warning May 6, 02:00am until May 6, 08:00am
Tonight
Low: 31 °F
Mostly Cloudy
then FrostWednesday
High: 52 °F
Frost then
Partly SunnyWednesday Night
Low: 32 °F
Partly Cloudy
Thursday
High: 61 °F
Frost then
Slight Chance
ShowersThursday Night
Low: 38 °F
Partly Cloudy
Friday
High: 66 °F
Partly Sunny
then Slight
Chance
ShowersFriday Night
Low: 43 °F
Partly Cloudy
Saturday
High: 70 °F
Mostly Sunny
Saturday Night
Low: 43 °F
Chance
Showers
Detailed Forecast
Tonight
Widespread frost after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. Calm wind.
Wednesday
Widespread frost before 8am. Otherwise, increasing clouds, with a high near 52. Light northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 1pm. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 61. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 38. Light and variable wind.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 43. Light southwest wind.
Saturday
Mostly sunny, with a high near 70. West wind 5 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 62. Light north wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Calm wind becoming northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 42. Calm wind.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the morning.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Wilton WI
43.81°N 90.52°W
43.81°N 90.52°W
6:17 pm CDT May 5, 2026
10pm CDT May 5, 2026-6pm CDT May 12, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
