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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 4:36 pm CST Jan 6, 2026 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Fog on This Afternoon Patchy Fog on Tonight Morning Fog on Wednesday 90% chance of rain on Thursday 20% chance of rain on Friday 20% chance of rain & snow on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
High: 40°F Low: 34°F High: 41°F High: 45°F High: 43°F High: 38°F High: 31°F High: 39°F High: 38°F
Low: 37°F Low: 40°F Low: 34°F Low: 24°F Low: 24°F Low: 29°F  
Fog Patchy Fog Morning Fog Rain Rain Rain & Snow Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
39°
Cloudy
Mist
as of 4:51 PM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 3 Miles
Pressure: 29.64 in.
Flight Rule: IFR
Wind Data
6 MPH
270° West
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
41°
Cloudy
as of 4:52 PM CST
Rel. Humidity: 86%
Dew Point: 37°F
Visibility: 3 Miles
Pressure: 29.67 in.
Flight Rule: IFR
Wind Data
6 MPH
270° West
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
CHICAGO-OHARE - (KORD)
39°
Feels like 32°F
Cloudy
Mist
as of 4:51 PM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 5 Miles
Pressure: 29.66 in.
Flight Rule: IFR
Wind Data
10 MPH
250° West
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
KENOSHA - (KENW)
39°
Cloudy
Mist
as of 4:50 PM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 5 Miles
Pressure: 29.65 in.
Flight Rule: IFR
Wind Data
5 MPH
270° West
Cloud Level(s): Solid Overcast at 600ft
Fog on This Afternoon This Afternoon... Patchy drizzle and fog. Cloudy, with a high near 40. West wind around 5 mph.

Patchy Fog on Tonight Tonight... Patchy drizzle before 10pm. Patchy fog. Otherwise, cloudy, with a low around 34. West wind 5 to 10 mph, with gusts as high as 15 mph.

Morning Fog on Wednesday Wednesday... Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 37. South southwest wind around 10 mph, with gusts as high as 15 mph.

90% chance of rain Thursday Thursday... Rain, mainly after noon. High near 45. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

80% chance of rain Thursday Night Thursday Night... Rain, mainly before midnight. Low around 40. Chance of precipitation is 80%.

20% chance of rain Friday Friday... A 20 percent chance of rain. Mostly cloudy, with a high near 43.

20% chance of rain Friday Night Friday Night... A chance of rain after midnight. Mostly cloudy, with a low around 34.

20% chance of rain & snow Saturday Saturday... Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 38.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 24.

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

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 24.

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 29.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 38.

Current Radar Image


Sun Almanac for Knollwood, Illinois
Sunrise: 07:20 AM
Sunset: 4:35 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:15 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.