Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
57°F
14°C
| Humidity | 37% |
| Wind Speed | W 9 G 22 mph |
| Barometer | 30.11 in (1020.2 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 3 Nov 11:55 am CST |
Extended Forecast for
Ontario WI
This Afternoon
High: 58 °F
Sunny and
BreezyTonight
Low: 32 °F
Increasing
CloudsTuesday
High: 60 °F
Sunny
Tuesday Night
Low: 37 °F
Partly Cloudy
Wednesday
High: 55 °F
Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 55 °F
Partly Sunny
Thursday Night
Low: 39 °F
Chance Rain
Friday
High: 52 °F
Slight Chance
Rain then
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 58. Breezy, with a west wind 8 to 16 mph, with gusts as high as 28 mph.
Tonight
Increasing clouds, with a low around 32. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 60. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 55. Northwest wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 29. Light and variable wind.
Thursday
Partly sunny, with a high near 55. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. South wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 23 mph.
Friday
A 20 percent chance of rain before noon. Partly sunny, with a high near 52. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 27. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 45. Calm wind becoming west 5 to 8 mph in the morning.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Northwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 39. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario WI
43.73°N 90.58°W
43.73°N 90.58°W
7:47 am CST Nov 3, 2025
12pm CST Nov 3, 2025-6pm CST Nov 9, 2025
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