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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 5:06 pm CST Jan 4, 2026 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Clearing on Tonight Mostly Cloudy on Monday 20% chance of  on Tuesday Mostly Sunny on Wednesday 20% chance of rain on Thursday 20% chance of rain on Friday 20% chance of snow on Saturday Partly Sunny on Sunday
Low: 29°F High: 39°F High: 42°F High: 45°F High: 48°F High: 41°F High: 35°F High: 31°F
Low: 34°F Low: 32°F Low: 37°F Low: 35°F Low: 29°F Low: 20°F  
Clearing Mostly Cloudy Patchy Fog Mostly Sunny Rain Rain Snow Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
30°
Feels like 20°F
Partly Cloudy
as of 6:51 PM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
12 MPH
170° South
Cloud Level(s): Scattered at 12000ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
30°
Feels like 20°F
Clear
as of 6:52 PM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
13 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
30°
Feels like 20°F
Cloudy
as of 6:51 PM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
12 MPH
150° Southeast
Cloud Level(s): Broken at 14000ft, Solid Overcast at 25000ft
Current Conditions at
KENOSHA - (KENW)
30°
Feels like 19°F
Mostly Cloudy
as of 6:53 PM CST
Rel. Humidity: 26%
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
14 MPH
160° South
Cloud Level(s): Broken at 10000ft
Clearing on Tonight Tonight... Cloudy during the early evening, then gradual clearing, with a low around 29. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 39. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

10% chance of  Monday Night Monday Night... A slight chance of drizzle after midnight. Patchy fog. Otherwise, mostly cloudy, with a low around 34. South wind around 5 mph.

20% chance of  Tuesday Tuesday... A chance of drizzle before noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 42. South wind 5 to 10 mph becoming west northwest in the afternoon.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32. West wind around 5 mph, with gusts as high as 10 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 45.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 37.

20% chance of rain Thursday Thursday... A chance of rain after noon. Partly sunny, with a high near 48.

20% chance of rain Thursday Night Thursday Night... A chance of rain. Mostly cloudy, with a low around 35.

20% chance of rain Friday Friday... A chance of rain. Mostly cloudy, with a high near 41.

20% chance of rain Friday Night Friday Night... A chance of rain. Mostly cloudy, with a low around 29.

20% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy, with a high near 35.

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

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 31.

Current Radar Image


Sun Almanac for Knollwood, Illinois
Sunrise: 07:21 AM
Sunset: 4:33 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:13 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.