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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 9:46 am CST Jan 9, 2026 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Sunny on Today 20% chance of rain on Tonight 70% chance of snow on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 20% chance of rain on Tuesday 20% chance of snow on Wednesday Partly Sunny on Thursday
High: 43°F Low: 31°F High: 36°F High: 32°F High: 39°F High: 44°F High: 34°F High: 30°F
Low: 22°F Low: 25°F Low: 35°F Low: 31°F Low: 21°F  
Mostly Sunny Rain Snow Mostly Sunny Mostly Sunny Rain Snow Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
39°
Feels like 31°F
Cloudy
as of 9:51 AM CST
Rel. Humidity: 86%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: MVFR
Wind Data
13 MPH
Gust: 24 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
41°
Feels like 32°F
Cloudy
as of 9:52 AM CST
Rel. Humidity: 80%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 32 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
CHICAGO-OHARE - (KORD)
43°
Feels like 34°F
Cloudy
as of 9:51 AM CST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: MVFR
Wind Data
20 MPH
Gust: 29 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
KENOSHA - (KENW)
39°
Feels like 29°F
Cloudy
as of 9:53 AM CST
Rel. Humidity: 18%
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
20 MPH
Gust: 32 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1600ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 43. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
20% chance of rain Tonight Tonight... A 20 percent chance of rain after 3am. Increasing clouds, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.
70% chance of snow Saturday Saturday... Snow likely before noon, then a chance of snow showers after noon. Cloudy, with a high near 36. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
40% chance of snow Saturday Night Saturday Night... A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 32. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 25.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 39.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 35.
20% chance of rain Tuesday Tuesday... A chance of showers after noon. Mostly cloudy, with a high near 44.
20% chance of rain & snow Tuesday Night Tuesday Night... A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 31.
20% chance of snow Wednesday Wednesday... A chance of snow showers. Mostly cloudy, with a high near 34.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 30.
Current Radar Image


Sun Almanac for Knollwood, Illinois
Sunrise: 07:20 AM
Sunset: 4:38 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:18 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.