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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 3:16 pm CST Jan 10, 2026 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
60% chance of rain & snow on This Afternoon 30% chance of rain & snow on Tonight Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Partly Sunny on Thursday 20% chance of rain & snow on Friday Partly Sunny on Saturday
High: 45°F Low: 23°F High: 37°F High: 49°F High: 55°F High: 39°F High: 37°F High: 40°F High: 30°F
Low: 28°F Low: 37°F Low: 34°F Low: 20°F Low: 31°F Low: 22°F  
Rain & Snow Rain & Snow Sunny Mostly Sunny Partly Sunny Mostly Cloudy Partly Sunny Rain & Snow Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
43°
Feels like 35°F
Partly Cloudy
as of 3:03 PM CST
Rel. Humidity: 45%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 24 MPH
240° Southwest
Cloud Level(s): Scattered at 7500ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
39°
Feels like 28°F
Mostly Cloudy
as of 3:35 PM CST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 35 MPH
280° West
Cloud Level(s): Few at 2600ft, Scattered at 3200ft, Broken at 4200ft
Current Conditions at
FORT MADISON - (KFSW)
36°
Feels like 24°F
Partly Cloudy
Light Snow Haze
as of 3:35 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 4 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
21 MPH
Gust: 31 MPH
290° West
Cloud Level(s): Scattered at 2800ft, Scattered at 3400ft, Scattered at 4200ft
60% chance of rain & snow This Afternoon This Afternoon... A slight chance of rain and snow showers between 4pm and 5pm, then rain showers likely. Mostly cloudy, with a high near 45. West wind around 13 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
30% chance of rain & snow Tonight Tonight... A chance of rain and snow showers before 11pm, then a chance of flurries between 11pm and 2am. Partly cloudy, with a low around 23. Blustery, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 30%.
Sunny on Sunday Sunday... Sunny, with a high near 37. Northwest wind 7 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 28. Southwest wind 6 to 9 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 49. Southwest wind 6 to 9 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 37.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 55.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 39.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 20.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 37.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 31.
20% chance of rain & snow Friday Friday... A slight chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 30.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:27 AM
Sunset: 4:59 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:29 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 6:03 PM
Astro Sunrise: 05:51 AM
Astro Sunset: 6:36 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.