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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 4:01 am CST Dec 16, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Cloudy on Tonight Mostly Sunny on Wednesday 50% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday
High: 47°F Low: 29°F High: 45°F High: 35 °F High: 37°F High: 50°F High: 40°F High: 44°F
Low: 49 °F Low: 16°F Low: 32°F Low: 26°F Low: 28°F  
Sunny Mostly Cloudy Mostly Sunny Rain Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
28°
Feels like 19°F
Clear
as of 7:54 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
28°
Feels like 19°F
Clear
as of 8:15 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
FORT MADISON - (KFSW)
28°
Feels like 19°F
Clear
as of 8:15 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
10 MPH
170° South
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 47. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 29. South wind 5 to 8 mph becoming northwest after midnight.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 45. Calm wind becoming southeast 5 to 8 mph in the afternoon.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Increasing clouds, with a temperature rising to around 49 by 4am. South wind 9 to 14 mph, with gusts as high as 25 mph.
50% chance of rain Thursday Thursday... A 50 percent chance of rain before noon. Partly sunny, with a temperature falling to around 35 by 5pm. Breezy, with a southwest wind 13 to 20 mph becoming west in the morning. Winds could gust as high as 37 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 16.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 37.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 32.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 50.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 26.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 40.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 28.
Partly Sunny on Monday Monday... Partly sunny, with a high near 44.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:21 AM
Sunset: 4:42 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:19 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.