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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 am CST Jan 12, 2026 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Increasing Clouds on Today Mostly Clear on Tonight Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 30% chance of snow on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
High: 50°F Low: 36°F High: 56°F High: 31 °F High: 31°F High: 39°F High: 23°F High: 25°F
Low: 34°F Low: 16°F Low: 28°F Low: 17°F Low: 9°F  
Increasing Clouds Mostly Clear Partly Sunny Partly Sunny Mostly Sunny Snow Mostly Cloudy Mostly Sunny
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Current Conditions at
QUINCY - (KUIN)
41°
Feels like 34°F
Clear
as of 10:54 AM CST
Rel. Humidity: 48%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
12 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
39°
Clear
as of 10:55 AM CST
Rel. Humidity: 51%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FORT MADISON - (KFSW)
39°
Clear
as of 10:55 AM CST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Clear
Increasing Clouds on Today Today... Increasing clouds, with a high near 50. Southwest wind 6 to 10 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 36. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 56. West wind 9 to 11 mph, with gusts as high as 24 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34. West wind 9 to 13 mph, with gusts as high as 23 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a temperature falling to around 31 by 5pm. North wind 14 to 17 mph, with gusts as high as 32 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 16.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 31.
20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 28.
30% chance of snow Friday Friday... A 30 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 39.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 17.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 23.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 9.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 25.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:26 AM
Sunset: 5:02 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:31 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 6:05 PM
Astro Sunrise: 05:50 AM
Astro Sunset: 6:37 PM
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