Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
64°F
18°C
| Humidity | 91% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1015.3 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 3 Aug 7:55 am CDT |
Extended Forecast for
6 Miles SSE Ontario WI
Today

High: 82 °F
Sunny
Tonight

Low: 61 °F
Mostly Clear
Tuesday
High: 81 °F
Slight Chance
Showers then
Slight Chance
T-stormsTuesday Night

Low: 58 °F
Chance
ShowersWednesday
High: 78 °F
Partly Sunny
then Slight
Chance
ShowersWednesday Night

Low: 53 °F
Partly Cloudy
Thursday

High: 80 °F
Sunny
Thursday Night

Low: 57 °F
Mostly Clear
Friday

High: 83 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. South wind 3 to 6 mph.
Tuesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. South wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Light west wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 78. Calm wind.
Wednesday Night
Partly cloudy, with a low around 53. Calm wind.
Thursday
Sunny, with a high near 80. Light and variable wind.
Thursday Night
Mostly clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 83. Southwest wind 3 to 7 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 65. South wind around 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind 5 to 9 mph, with gusts as high as 20 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles SSE Ontario WI
43.64°N 90.53°W
43.64°N 90.53°W
5:56 am CDT Aug 3, 2026
8am CDT Aug 3, 2026-6pm CDT Aug 9, 2026


