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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 am CST Dec 15, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Overnight Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday 30% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 12°F High: 36°F High: 46°F High: 45°F High: 49°F High: 38°F High: 52°F High: 42°F
Low: 25°F Low: 30°F Low: 39°F Low: 16°F Low: 32°F Low: 27°F  
Mostly Clear Sunny Sunny Mostly Sunny Rain Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
QUINCY - (KUIN)
10°
Feels like -2°F
Clear
as of 2:54 AM CST
Rel. Humidity: 66%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.42 in.
Flight Rule: VFR
Wind Data
9 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
10°
Feels like -3°F
Mostly Clear
as of 2:55 AM CST
Rel. Humidity: 66%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
10 MPH
180° South
Cloud Level(s): Few at 5000ft
Current Conditions at
FORT MADISON - (KFSW)
5°
Feels like -12°F
Clear
as of 2:55 AM CST
Rel. Humidity: 77%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.36 in.
Flight Rule: VFR
Wind Data
14 MPH
160° South
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a steady temperature around 12. South wind 9 to 11 mph, with gusts as high as 24 mph.
Sunny on Monday Monday... Sunny, with a high near 36. Southwest wind 6 to 15 mph, with gusts as high as 31 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 25. Southwest wind around 6 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 46. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30. Southwest wind around 6 mph becoming light and variable after midnight.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 45.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
30% chance of rain Thursday Thursday... A 30 percent chance of rain before noon. Partly sunny, with a high near 49.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 16.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 38.
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 52.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 27.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 42.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:20 AM
Sunset: 4:41 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:43 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.