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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 8:26 am CST Dec 10, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Flurries on Today Mostly Cloudy on Tonight Mostly Cloudy on Thursday Mostly Cloudy on Friday 30% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
High: 37°F Low: 22°F High: 33°F High: 33°F High: 21°F High: 17°F High: 35°F High: 44°F
Low: 28°F Low: 15°F Low: 2°F Low: 8°F Low: 24°F  
Flurries Mostly Cloudy Mostly Cloudy Mostly Cloudy Snow Sunny Mostly Sunny Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
36°
Feels like 22°F
Cloudy
as of 7:54 AM CST
Rel. Humidity: 74%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: MVFR
Wind Data
28 MPH
Gust: 37 MPH
310° Northwest
Cloud Level(s): Broken at 2500ft, Solid Overcast at 3300ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
32°
Feels like 18°F
Cloudy
as of 8:15 AM CST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: MVFR
Wind Data
25 MPH
Gust: 32 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
FORT MADISON - (KFSW)
32°
Feels like 18°F
Cloudy
as of 8:15 AM CST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 8 Miles
Pressure: 29.69 in.
Flight Rule: MVFR
Wind Data
26 MPH
Gust: 35 MPH
280° West
Cloud Level(s): Solid Overcast at 1800ft
Flurries on Today Today... Flurries likely before 10am. Cloudy, with a high near 37. Breezy, with a northwest wind 13 to 23 mph, with gusts as high as 46 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 22. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 33. Calm wind becoming southeast 5 to 7 mph in the afternoon.
30% chance of snow Thursday Night Thursday Night... A chance of snow, mixing with rain after 9pm, then gradually ending. Mostly cloudy, with a low around 28. Southeast wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 30%.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 33. North wind 8 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 15.
30% chance of snow Saturday Saturday... A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 21.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 2.
Sunny on Sunday Sunday... Sunny and cold, with a high near 17.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 8.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 35.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 24.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 44.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:17 AM
Sunset: 4:40 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:40 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.