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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: 1:52 am CST Dec 17, 2025 Latitude: 43.7258037 Longitude: -90.59152 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight Mostly Sunny on Wednesday 100% chance of rain & snow on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 20°F High: 36°F High: 42°F High: 24°F High: 33°F High: 20°F High: 32°F High: 37°F
Low: 40 °F Low: 4 °F Low: 13°F Low: 4 °F Low: 7 °F Low: 23°F  
Cloudy Mostly Sunny Rain & Snow Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
CAMP DOUGLAS - (KVOK)
39°
Feels like 31°F
Cloudy
as of 1:55 AM CST
Rel. Humidity: 75%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 21 MPH
260° West
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
LA CROSSE - (KLSE)
37°
Feels like 29°F
Mostly Cloudy
as of 1:53 AM CST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: MVFR
Wind Data
13 MPH
310° Northwest
Cloud Level(s): Broken at 2500ft
Current Conditions at
BARABOO - (KDLL)
36°
Feels like 28°F
Partly Cloudy
as of 1:55 AM CST
Rel. Humidity: 86%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
10 MPH
280° West
Cloud Level(s): Scattered at 1900ft
Cloudy on Overnight Overnight... Cloudy, with a low around 20. Northwest wind 9 to 14 mph, with gusts as high as 30 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 36. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

90% chance of rain Wednesday Night Wednesday Night... Rain, mainly after midnight. Temperature rising to around 40 by 3am. South wind 9 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

100% chance of rain & snow Thursday Thursday... Rain before noon, then a chance of snow. High near 42. Breezy, with a west wind 13 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4. Breezy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 39 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 24. Northwest wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 13. South wind around 7 mph, with gusts as high as 21 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 33. Southwest wind 6 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 4. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 20. Light northwest wind.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 7. Calm wind.

Partly Sunny on Monday Monday... Partly sunny, with a high near 32. Calm wind becoming south 5 to 7 mph in the morning.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 23. South wind around 6 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 37. Southwest wind 5 to 7 mph becoming northwest in the afternoon.

Current Radar Image


Sun Almanac for Ontario, Wisconsin
Sunrise: 07:31 AM
Sunset: 4:27 PM
Civil Sunrise:06:58 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:36 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:11 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.