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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 2:01 am CST Dec 20, 2025 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Christmas Day Friday
Mostly Cloudy on Overnight 20% chance of snow on Saturday Sunny on Sunday 20% chance of snow on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday Mostly Cloudy on Christmas Day Mostly Cloudy on Friday
Low: 19°F High: 39°F High: 27°F High: 40°F High: 44°F High: 40°F High: 52°F High: 47°F
Low: 15°F Low: 21°F Low: 36°F Low: 32°F Low: 40°F Low: 37°F  
Mostly Cloudy Snow Sunny Snow Partly Sunny Rain Mostly Cloudy Mostly Cloudy
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Current Conditions at
WAUKEGAN - (KUGN)
25°
Feels like 13°F
Clear
as of 1:51 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
13 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
CHICAGO/WHEELING - (KPWK)
27°
Feels like 15°F
Clear
as of 1:52 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
14 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
27°
Feels like 15°F
Mostly Cloudy
as of 1:51 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 24 MPH
190° South
Cloud Level(s): Broken at 25000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 19. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

20% chance of snow Saturday Saturday... A slight chance of snow between 11am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 39. Breezy, with a south southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 15. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Sunny on Sunday Sunday... Sunny, with a high near 27. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 21. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

20% chance of snow Monday Monday... A 20 percent chance of snow before noon. Cloudy, with a high near 40.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 36.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 44.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

20% chance of rain Wednesday Wednesday... A chance of rain after noon. Cloudy, with a high near 40.

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Cloudy, with a low around 40.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 52.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 37.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 47.

Sun Almanac for Knollwood, Illinois
Sunrise: 07:17 AM
Sunset: 4:22 PM
Civil Sunrise:06:45 AM
Civil Sunset: 4:54 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:29 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:03 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.