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Ontario, Wisconsin Weather Forecast
Ontario, Wisconsin Weather
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No Watches or Warnings for Ontario
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Weather Forecast for Ontario, Wisconsin : Vernon County
Issued: 2:31 pm CST Dec 11, 2025 Latitude: 43.7258037 Longitude: -90.59152 View on Google Maps

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This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on This Afternoon Mostly Cloudy on Tonight 40% chance of snow on Friday Partly Sunny on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday
High: 22°F Low: 5 °F High: 23°F High: 2 °F High: 6 °F High: 26°F High: 37°F High: 40°F
Low: -8°F Low: -14°F Low: -8°F Low: 8 °F Low: 24°F  
Cloudy Mostly Cloudy Snow Partly Sunny Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
MCCOY AAF - (KCMY)
21°
Clear
as of 1:55 PM CST
Rel. Humidity: 67%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAMP DOUGLAS - (KVOK)
21°
Mostly Cloudy
as of 1:55 PM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 11000ft, Broken at 14000ft
Current Conditions at
LA CROSSE - (KLSE)
21°
Cloudy
as of 1:53 PM CST
Rel. Humidity: 73%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
3 MPH
210° Southwest
Cloud Level(s): Broken at 10000ft, Solid Overcast at 12000ft
Current Conditions at
BARABOO - (KDLL)
21°
Partly Cloudy
as of 2:35 PM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 11000ft
Cloudy on This Afternoon This Afternoon... Cloudy, with a high near 22. Calm wind.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 5. Calm wind.

40% chance of snow Friday Friday... A chance of snow or flurries before 3pm, then a chance of flurries between 3pm and 5pm. Mostly cloudy, with a high near 23. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -8. Wind chill values as low as -23. Northwest wind 8 to 11 mph, with gusts as high as 25 mph.

Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 2. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -14. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.

Sunny on Sunday Sunday... Sunny, with a high near 6. Northwest wind around 6 mph becoming calm in the morning.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around -8. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 22 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 26. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 8. West wind around 5 mph becoming calm in the evening.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 37. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 24. Southwest wind 5 to 8 mph, with gusts as high as 21 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 40. West wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

Current Radar Image


Sun Almanac for Ontario, Wisconsin
Sunrise: 07:26 AM
Sunset: 4:25 PM
Civil Sunrise:06:54 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:09 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.