Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
77°F
25°C
| Humidity | 50% |
| Wind Speed | SE 6 mph |
| Barometer | 29.85 in (1011.0 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 9.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 10 Oct 6:55 pm CDT |
Extended Forecast for
3 Miles NNE Ontario WI
Tonight

Low: 56 °F
Clear
Sunday

High: 84 °F
Sunny
Sunday Night

Low: 65 °F
Increasing
CloudsColumbus Day

High: 84 °F
Mostly Sunny
Monday Night

Low: 60 °F
Slight Chance
T-stormsTuesday

High: 72 °F
Mostly Sunny
Tuesday Night

Low: 48 °F
Partly Cloudy
Wednesday

High: 67 °F
Mostly Sunny
Wednesday Night

Low: 46 °F
Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 56. South wind 7 to 11 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 84. South wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Increasing clouds, with a low around 65. South wind 5 to 7 mph, with gusts as high as 21 mph.
Columbus Day
Mostly sunny, with a high near 84. Southwest wind 5 to 8 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. Calm wind becoming northwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 72. Northwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 48. Calm wind.
Wednesday
Mostly sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 46. Light east wind.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming calm. Winds could gust as high as 18 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 60. Breezy, with a northwest wind 9 to 18 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 34. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 25 mph.
Saturday
Mostly sunny, with a high near 57. Northwest wind 3 to 7 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Ontario WI
43.75°N 90.58°W
43.75°N 90.58°W
6:16 pm CDT Oct 10, 2026
7pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026


