Ontario, Wisconsin Weather
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Weather Forecast for Ontario, Wisconsin : Vernon County
Issued: 12:29 pm CDT Jul 1, 2025 Latitude: 43.7258037 Longitude: -90.59152 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
Mostly Sunny on This Afternoon Mostly Clear on Tonight Sunny on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Independence Day 60% chance of thunderstorms on Saturday 20% chance of on Sunday 20% chance of thunderstorms on Monday
High: 83°F Low: 62°F High: 85°F High: 86°F High: 89°F High: 86°F High: 81°F High: 81°F
Low: 66°F Low: 69°F Low: 74°F Low: 69°F Low: 62°F  
Mostly Sunny Mostly Clear Sunny Thunderstorms Thunderstorms Thunderstorms Partly Sunny Thunderstorms
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Current Conditions at
BARABOO - (KDLL)
79°
Clear
as of 12:35 PM CDST
Rel. Humidity: 54%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
8 MPH
300° Northwest
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 83. Northwest wind around 9 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 62. Southwest wind 3 to 6 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 85. Light southwest wind becoming west 5 to 10 mph in the morning.
30% chance of thunderstorms Wednesday Night Wednesday Night... A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 66. West wind around 6 mph becoming calm in the evening.
20% chance of thunderstorms Thursday Thursday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 69. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
20% chance of thunderstorms Independence Day Independence Day... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.
60% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
60% chance of thunderstorms Saturday Saturday... Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
50% chance of thunderstorms Saturday Night Saturday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind 3 to 7 mph.
20% chance of Sunday Sunday... A 20 percent chance of showers. Partly sunny, with a high near 81. West wind 5 to 7 mph becoming northwest in the afternoon.
20% chance of rain Sunday Night Sunday Night... A 20 percent chance of showers. Partly cloudy, with a low around 62. Light north wind.
20% chance of thunderstorms Monday Monday... A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. West wind 3 to 5 mph.
Current Radar Image


Sun Almanac for Ontario, Wisconsin
Sunrise: 05:25 AM
Sunset: 8:48 PM
Civil Sunrise:04:49 AM
Civil Sunset: 9:24 PM
Nautical Sunrise: 04:02 AM
Nautical Sunset: 10:10 PM
Astro Sunrise: 03:04 AM
Astro Sunset: 11:09 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.