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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 10:51 pm CST Dec 13, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: -3°F High: 9 °F High: 38°F High: 48°F High: 50°F High: 51°F High: 38°F High: 50°F
Low: 13 °F Low: 25°F Low: 32°F Low: 40°F Low: 21°F Low: 33°F  
Mostly Clear Sunny Sunny Sunny Partly Sunny Rain Partly Sunny Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
-0°
Feels like -15°F
Clear
as of 10:54 PM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Wind Data
9 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
Feels like -13°F
Mostly Cloudy
as of 10:55 PM CST
Rel. Humidity: 70%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Wind Data
9 MPH
300° Northwest
Cloud Level(s): Scattered at 3600ft, Broken at 4600ft, Broken at 5000ft
Current Conditions at
FORT MADISON - (KFSW)
-0°
Feels like -17°F
Clear
as of 10:55 PM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: VFR
Wind Data
12 MPH
270° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around -3. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 23 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 9. Wind chill values as low as -20. Northwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a temperature rising to around 13 by 5am. Light and variable wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 23 mph.

Sunny on Monday Monday... Sunny, with a high near 38. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 25. Southwest wind 3 to 6 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 48.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 50.

20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 40.

20% chance of rain Thursday Thursday... A 20 percent chance of rain before noon. Mostly sunny, with a high near 51.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 21.

Partly Sunny on Friday Friday... Partly sunny, with a high near 38.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 33.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 50.

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:20 AM
Sunset: 4:41 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:18 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.