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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 5:06 pm CST Dec 8, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Tonight Partly Sunny on Tuesday Mostly Cloudy on Wednesday 20% chance of snow on Thursday Mostly Cloudy on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday 20% chance of rain on Monday
Low: 34 °F High: 46°F High: 39°F High: 33°F High: 28°F High: 18°F High: 23°F High: 33°F
Low: 33°F Low: 23°F Low: 22°F Low: 8°F Low: 8°F Low: 16°F  
Mostly Cloudy Partly Sunny Mostly Cloudy Snow Mostly Cloudy Mostly Cloudy Mostly Sunny Rain
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Current Conditions at
QUINCY - (KUIN)
25°
Feels like 15°F
Clear
as of 5:54 PM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
9 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
25°
Feels like 13°F
Mostly Cloudy
as of 6:35 PM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
12 MPH
150° Southeast
Cloud Level(s): Few at 3300ft, Scattered at 4200ft, Broken at 11000ft
Current Conditions at
FORT MADISON - (KFSW)
23°
Clear
as of 6:35 PM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
8 MPH
140° Southeast
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a temperature rising to around 34 by 4am. South wind 8 to 10 mph, with gusts as high as 22 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 46. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 33. Breezy, with a south wind 13 to 21 mph becoming west after midnight. Winds could gust as high as 40 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 39. Breezy, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 43 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 23. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

20% chance of snow Thursday Thursday... A 20 percent chance of snow. Mostly cloudy, with a high near 33.

20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 22.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 28.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 8.

Mostly Cloudy on Saturday Saturday... Mostly cloudy and cold, with a high near 18.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 8.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 23.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 16.

20% chance of rain Monday Monday... A 20 percent chance of rain. Partly sunny, with a high near 33.

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:15 AM
Sunset: 4:40 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:38 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.