Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
45°F
7°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 29.94 in (1014.2 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 5:55 am CDT |
Extended Forecast for
5 Miles WSW Ontario WI
Today
High: 73 °F
Mostly Cloudy
then Slight
Chance
ShowersTonight
Low: 51 °F
Slight Chance
Showers then
Partly CloudyMonday

High: 77 °F
Mostly Sunny
Monday Night

Low: 52 °F
Partly Cloudy
Tuesday

High: 78 °F
Mostly Sunny
Tuesday Night

Low: 57 °F
Showers
Wednesday
High: 76 °F
Chance
Showers then
Chance
T-stormsWednesday Night

Low: 53 °F
Partly Cloudy
Thursday

High: 75 °F
Mostly Sunny
Detailed Forecast
Today
A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 73. Calm wind becoming southeast 5 to 8 mph in the morning.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77. Northeast wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Light south wind.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. West wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 53. Calm wind.
Friday
Mostly sunny, with a high near 79. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles WSW Ontario WI
43.71°N 90.67°W
43.71°N 90.67°W
5:31 am CDT Jun 21, 2026
6am CDT Jun 21, 2026-6pm CDT Jun 27, 2026


