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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 3:15 pm CST Dec 1, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
100% chance of snow on This Afternoon 100% chance of snow on Tonight Partly Sunny on Tuesday 30% chance of snow on Wednesday Sunny on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday Partly Sunny on Sunday Partly Sunny on Monday
High: 25°F Low: 14°F High: 27°F High: 35°F High: 15°F High: 33°F High: 34°F High: 29°F High: 32°F
Low: 23°F Low: 2°F Low: 4°F Low: 23°F Low: 20°F Low: 14°F  
Snow Snow Partly Sunny Snow Sunny Mostly Sunny Mostly Cloudy Partly Sunny Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
23°
Cloudy
Light Snow Mist
as of 3:07 PM CST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 3/4 Miles
Pressure: 30.15 in.
Flight Rule: MVFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Few at 600ft, Solid Overcast at 2100ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
Clear
as of 2:55 PM CST
Wind Data
Calm
Current Conditions at
FORT MADISON - (KFSW)
23°
Mostly Cloudy
Light Snow Mist
as of 2:55 PM CST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 1 1/2 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
6 MPH
120° Southeast
Cloud Level(s): Scattered at 600ft, Broken at 1300ft
100% chance of snow This Afternoon This Afternoon... Snow. High near 25. Light southwest wind. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
100% chance of snow Tonight Tonight... Snow, mainly before 8pm. Low around 14. Calm wind becoming west around 6 mph in the evening. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 27. West wind 5 to 7 mph becoming south in the afternoon.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 23. South wind 6 to 8 mph.
30% chance of snow Wednesday Wednesday... A 30 percent chance of snow after noon. Mostly cloudy, with a high near 35. South wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 2.
Sunny on Thursday Thursday... Sunny and cold, with a high near 15.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 4.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 33.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 23.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 34.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 20.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 29.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 14.
Partly Sunny on Monday Monday... Partly sunny, with a high near 32.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:09 AM
Sunset: 4:41 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:17 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.