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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 8:51 am CST Dec 1, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
100% chance of snow on Today 90% chance of snow on Tonight Partly Sunny on Tuesday 20% chance of snow on Wednesday Sunny on Thursday 20% chance of snow on Friday Partly Sunny on Saturday Mostly Cloudy on Sunday
High: 25°F Low: 14°F High: 29°F High: 35°F High: 17°F High: 32°F High: 34°F High: 29°F
Low: 22°F Low: 3°F Low: 6°F Low: 21°F Low: 20°F  
Snow Snow Partly Sunny Snow Sunny Snow Partly Sunny Mostly Cloudy
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Current Conditions at
QUINCY - (KUIN)
21°
Cloudy
as of 8:54 AM CST
Rel. Humidity: 85%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
7 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
Cloudy
as of 8:55 AM CST
Wind Data
Calm
Current Conditions at
FORT MADISON - (KFSW)
23°
Cloudy
as of 8:55 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: MVFR
Wind Data
6 MPH
110° East
Cloud Level(s): Solid Overcast at 2500ft
100% chance of snow Today Today... Snow, mainly after 11am. High near 25. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
90% chance of snow Tonight Tonight... Snow, mainly before 8pm. Low around 14. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 29. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 22. South wind around 7 mph.
20% chance of snow Wednesday Wednesday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 35. South wind 6 to 8 mph becoming northwest in the afternoon.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 3.
Sunny on Thursday Thursday... Sunny and cold, with a high near 17.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 6.
20% chance of snow Friday Friday... A 20 percent chance of snow. Partly sunny, with a high near 32.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 34.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 20.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 29.
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.