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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 7:01 pm CST Jan 20, 2026 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of snow on Tonight Partly Sunny on Wednesday Partly Sunny on Thursday Partly Sunny on Friday 30% chance of snow on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 31°F High: 38°F High: 32°F High: 7°F High: 11°F High: 19°F High: 24°F High: 34°F
Low: 20°F Low: 2 °F Low: -2°F Low: 4°F Low: 3°F Low: 11°F  
Snow Partly Sunny Partly Sunny Partly Sunny Snow Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
QUINCY - (KUIN)
36°
Feels like 27°F
Clear
as of 9:54 PM CST
Rel. Humidity: 37%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
13 MPH
180° South
Cloud Level(s): Clear
20% chance of snow Tonight Tonight... A chance of flurries after 2am. Mostly cloudy, with a steady temperature around 31. South wind around 11 mph becoming west after midnight. Winds could gust as high as 23 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, then gradually becoming sunny, with a high near 38. West wind 9 to 15 mph, with gusts as high as 25 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 20. Northwest wind 6 to 14 mph, with gusts as high as 29 mph.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 32. Northwest wind 3 to 6 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 2. Light northwest wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

Partly Sunny on Friday Friday... Partly sunny and cold, with a high near 7.

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

30% chance of snow Saturday Saturday... A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 11.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4.

Mostly Sunny on Sunday Sunday... Mostly sunny and cold, with a high near 19.

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

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 24.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 11.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 34.

Sun Almanac for Northbrook, Illinois
Sunrise: 07:22 AM
Sunset: 5:12 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 6:14 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:46 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.