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Delavan Lake, Wisconsin Weather Forecast
Delavan Lake, Wisconsin Weather
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Weather Forecast for Delavan Lake, Wisconsin : Walworth County
Issued: 12:11 am CST Dec 7, 2025 Latitude: 42.5841824 Longitude: -88.6326022 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
100% chance of snow on Overnight 50% chance of snow on Sunday Mostly Cloudy on Monday 30% chance of rain & snow on Tuesday 40% chance of snow on Wednesday 30% chance of snow on Thursday 20% chance of snow on Friday Partly Sunny on Saturday
Low: 17°F High: 11 °F High: 21°F High: 35°F High: 33°F High: 23°F High: 13°F High: 9°F
Low: 2 °F Low: 14 °F Low: 28°F Low: 12°F Low: 5°F Low: -3°F  
Snow Snow Mostly Cloudy Rain & Snow Snow Snow Snow Partly Sunny
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Current Conditions at
BURLINGTON MUNICIPAL AIR - (KBUU)
23°
Cloudy
as of 12:10 AM CST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 1 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
3 MPH
010° North
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
JANESVILLE - (KJVL)
23°
Cloudy
Light Snow
as of 12:15 AM CST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 3/4 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
5 MPH
030° Northeast
Current Conditions at
ROCKFORD - (KRFD)
27°
Clear
Light Snow Mist
as of 12:05 AM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 1 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
3 MPH
020° North
100% chance of snow Overnight Overnight... Snow. The snow could be heavy at times. Low around 17. Light east wind becoming north 5 to 10 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
50% chance of snow Sunday Sunday... A 50 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 11 by 5pm. Wind chill values between zero and 10. North wind around 10 mph.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 2. Wind chill values between -5 and zero. North wind around 5 mph becoming calm after midnight.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the morning.
40% chance of snow Monday Night Monday Night... A 40 percent chance of snow. Mostly cloudy, with a temperature falling to near 14 by 8pm, then rising to around 23 during the remainder of the night. South wind 10 to 15 mph, with gusts as high as 25 mph.
30% chance of rain & snow Tuesday Tuesday... A chance of rain and snow after noon. Mostly cloudy, with a high near 35. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
90% chance of rain & snow Tuesday Night Tuesday Night... Rain, possibly mixed with snow. Low around 28. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
40% chance of snow Wednesday Wednesday... A 40 percent chance of snow showers. Mostly cloudy, with a high near 33. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
30% chance of snow Wednesday Night Wednesday Night... A 30 percent chance of snow showers. Mostly cloudy, with a low around 12.
30% chance of snow Thursday Thursday... A 30 percent chance of snow. Mostly cloudy, with a high near 23.
30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow showers. Mostly cloudy, with a low around 5.
20% chance of snow Friday Friday... A 20 percent chance of snow showers. Partly sunny, with a high near 13.
20% chance of snow Friday Night Friday Night... A 20 percent chance of snow showers. Mostly cloudy, with a low around -3.
Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 9.
Current Radar Image


Sun Almanac for Delavan Lake, Wisconsin
Sunrise: 07:11 AM
Sunset: 4:21 PM
Civil Sunrise:06:39 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 5:28 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:02 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.