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Knollwood, Illinois Weather Forecast
Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 4:35 am CST Jan 19, 2026 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
M.L.King Day Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
40% chance of blowing snow on M.L.King Day Mostly Clear on Tonight Increasing Clouds on Tuesday 30% chance of snow on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday
High: 6 °F Low: 2 °F High: 20°F High: 28°F High: 18°F High: 6°F High: 6°F High: 14°F
  Low: 14°F Low: 10°F Low: -2°F Low: -10°F Low: -3°F  
Blowing Snow Mostly Clear Increasing Clouds Snow Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
Feels like -12°F
Cloudy
Haze
as of 5:51 AM CST
Rel. Humidity: 77%
Dew Point: -0°F
Visibility: 3 Miles
Pressure: 29.95 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 25 MPH
280° West
Cloud Level(s): Solid Overcast at 2100ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
Feels like -17°F
Cloudy
Unknown Precip
as of 5:52 AM CST
Rel. Humidity: 77%
Dew Point: -2°F
Visibility: 6 Miles
Pressure: 30.00 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 32 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
CHICAGO-OHARE - (KORD)
Feels like -17°F
Mostly Cloudy
as of 5:51 AM CST
Rel. Humidity: 65%
Dew Point: -6°F
Visibility: 8 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 29 MPH
280° West
Cloud Level(s): Broken at 1900ft, Broken at 5000ft
40% chance of blowing snow M.L.King Day M.L.King Day... Scattered snow showers before 10am, then scattered flurries between 10am and noon. Areas of blowing snow before noon. Partly sunny and cold, with a high near 6. Wind chill values as low as -22. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

Mostly Clear on Tonight Tonight... Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -13. West wind 10 to 15 mph, with gusts as high as 20 mph.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 20. Wind chill values as low as -11. West wind 5 to 10 mph.

80% chance of snow Tuesday Night Tuesday Night... Snow, mainly after midnight. Low around 14. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

30% chance of snow Wednesday Wednesday... A 30 percent chance of snow before noon. Mostly cloudy, with a high near 28. West wind 10 to 15 mph, with gusts as high as 20 mph.

30% chance of snow Wednesday Night Wednesday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 10.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 18.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around -2.

Partly Sunny on Friday Friday... Partly sunny and cold, with a high near 6.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around -10.

Mostly Sunny on Saturday Saturday... Mostly sunny and cold, with a high near 6.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -3.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 14.

Sun Almanac for Knollwood, Illinois
Sunrise: 07:16 AM
Sunset: 4:49 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:28 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.