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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 8:16 pm CST Dec 9, 2025 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
100% chance of rain & snow on Tonight 90% chance of rain & snow on Wednesday Increasing Clouds on Thursday 50% chance of snow on Friday 20% chance of snow on Saturday Mostly Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday
Low: 31°F High: 24 °F High: 23°F High: 29°F High: 13°F High: 10°F High: 22°F High: 28°F
Low: 12°F Low: 19°F Low: 8°F Low: -2°F Low: 2°F Low: 12°F  
Rain & Snow Rain & Snow Increasing Clouds Snow Snow Mostly Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
36°
Feels like 27°F
Cloudy
Light Rain Mist
as of 9:51 PM CST
Rel. Humidity: 93%
Dew Point: 34°F
Visibility: 6 Miles
Pressure: 29.34 in.
Flight Rule: VFR
Wind Data
13 MPH
190° South
Cloud Level(s): Scattered at 900ft, Solid Overcast at 3500ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
37°
Feels like 28°F
Cloudy
Light Rain
as of 9:52 PM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.37 in.
Flight Rule: VFR
Wind Data
16 MPH
190° South
Cloud Level(s): Few at 1300ft, Solid Overcast at 4300ft
Current Conditions at
CHICAGO-OHARE - (KORD)
37°
Feels like 27°F
Cloudy
Light Rain
as of 9:51 PM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 7 Miles
Pressure: 29.36 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 33 MPH
200° South
Cloud Level(s): Few at 1200ft, Broken at 4000ft, Solid Overcast at 5000ft
100% chance of rain & snow Tonight Tonight... Rain before 5am, then snow likely, possibly mixed with rain. Low around 31. Breezy, with a south southwest wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
90% chance of rain & snow Wednesday Wednesday... Snow, possibly mixed with rain, becoming all snow after 7am. Temperature falling to around 24 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 23. West wind 5 to 10 mph.
50% chance of snow Thursday Night Thursday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 19. Southwest wind around 5 mph.
50% chance of snow Friday Friday... A 50 percent chance of snow. Mostly cloudy, with a high near 29.
20% chance of snow Friday Night Friday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
20% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy, with a high near 13.
20% chance of snow Saturday Night Saturday Night... A chance of snow before midnight. Mostly cloudy, with a low around -2.
Mostly Sunny on Sunday Sunday... Mostly sunny and cold, with a high near 10.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 2.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 22.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 12.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 28.
Sun Almanac for Knollwood, Illinois
Sunrise: 07:09 AM
Sunset: 4:19 PM
Civil Sunrise:06:37 AM
Civil Sunset: 4:51 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:26 PM
Astro Sunrise: 05:28 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.