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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 11:21 pm CST Nov 29, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Cloudy on Overnight Mostly Cloudy on Sunday 70% chance of snow on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 20% chance of rain & snow on Friday Partly Sunny on Saturday
Low: 19°F High: 25°F High: 26°F High: 27°F High: 34°F High: 22°F High: 33°F High: 35°F
Low: 17°F Low: 16°F Low: 18°F Low: 9°F Low: 12°F Low: 20°F  
Cloudy Mostly Cloudy Snow Partly Sunny Partly Sunny Mostly Sunny Rain & Snow Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
28°
Feels like 13°F
Cloudy
as of 11:54 PM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
26 MPH
Gust: 38 MPH
290° West
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
Cloudy
as of 12:35 AM CST
Wind Data
Calm
Current Conditions at
PITTSFIELD - (KPPQ)
Cloudy
as of 12:42 AM CST
Wind Data
Calm
Current Conditions at
FORT MADISON - (KFSW)
25°
Feels like 7°F
Cloudy
as of 12:35 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
31 MPH
Gust: 41 MPH
270° West
Cloud Level(s): Solid Overcast at 1800ft
Cloudy on Overnight Overnight... Cloudy, with a low around 19. Breezy, with a west wind 18 to 21 mph, with gusts as high as 34 mph.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 25. West wind 8 to 17 mph, with gusts as high as 28 mph.
Cloudy on Sunday Night Sunday Night... Cloudy, with a low around 17. Northwest wind 5 to 7 mph becoming calm in the evening.
70% chance of snow Monday Monday... Snow likely, mainly after noon. Cloudy, with a high near 26. Calm wind. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
50% chance of snow Monday Night Monday Night... A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Light and variable wind.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 27.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 18.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 34.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 9.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 22.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 12.
20% chance of rain & snow Friday Friday... A slight chance of rain and snow. Partly sunny, with a high near 33. Chance of precipitation is 20%.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 20.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 35.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:08 AM
Sunset: 4:41 PM
Civil Sunrise:06:38 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:31 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.