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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 4:26 am CST Dec 6, 2025 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Today 100% chance of snow on Tonight 40% chance of snow on Sunday 30% chance of snow on Monday 20% chance of rain & snow on Tuesday 20% chance of rain & snow on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday
High: 27°F Low: 24°F High: 19 °F High: 25°F High: 38°F High: 34°F High: 25°F High: 21°F
Low: 14°F Low: 16°F Low: 32°F Low: 16°F Low: 13°F  
Mostly Cloudy Snow Snow Snow Rain & Snow Rain & Snow Snow Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
27°
Cloudy
as of 3:51 AM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Solid Overcast at 4100ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
28°
Cloudy
as of 3:52 AM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 4300ft
Current Conditions at
CHICAGO-OHARE - (KORD)
27°
Mostly Cloudy
as of 3:51 AM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Few at 1600ft, Broken at 4100ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

100% chance of snow Tonight Tonight... Snow, mainly after midnight. Steady temperature around 24. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

40% chance of snow Sunday Sunday... A 40 percent chance of snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 19 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph.

40% chance of snow Sunday Night Sunday Night... A 40 percent chance of snow showers. Mostly cloudy, with a low around 14. North wind 5 to 10 mph, with gusts as high as 15 mph.

30% chance of snow Monday Monday... A 30 percent chance of snow showers before noon. Partly sunny, with a high near 25. West northwest wind 5 to 10 mph becoming south southwest in the morning.

40% chance of snow Monday Night Monday Night... A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 16.

20% chance of rain & snow Tuesday Tuesday... A slight chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.

Rain and Snow on Tuesday Night Tuesday Night... Rain and snow, becoming all rain after midnight. Cloudy, with a low around 32.

20% chance of rain & snow Wednesday Wednesday... Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 34.

20% chance of snow Wednesday Night Wednesday Night... A chance of snow before midnight. Mostly cloudy, with a low around 16.

20% chance of snow Thursday Thursday... A chance of snow. Mostly cloudy, with a high near 25.

20% chance of snow Thursday Night Thursday Night... A chance of snow. Mostly cloudy, with a low around 13.

Partly Sunny on Friday Friday... Partly sunny, with a high near 21.

Sun Almanac for Knollwood, Illinois
Sunrise: 07:06 AM
Sunset: 4:19 PM
Civil Sunrise:06:35 AM
Civil Sunset: 4:51 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 5:26 PM
Astro Sunrise: 05:26 AM
Astro Sunset: 6:00 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.