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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 8:01 am CST Dec 14, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on Today Mostly Clear on Tonight Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of rain on Thursday Partly Sunny on Friday Partly Sunny on Saturday
High: 11°F Low: 5 °F High: 39°F High: 46°F High: 47°F High: 52°F High: 39°F High: 53°F
Low: 25°F Low: 31°F Low: 39°F Low: 20°F Low: 33°F  
Sunny Mostly Clear Sunny Sunny Mostly Sunny Rain Partly Sunny Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
Clear
as of 10:54 AM CST
Rel. Humidity: 64%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.72 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
Clear
as of 11:15 AM CST
Rel. Humidity: 54%
Dew Point: -11°F
Visibility: 10 Miles
Pressure: 30.73 in.
Flight Rule: VFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
FORT MADISON - (KFSW)
-0°
Clear
as of 11:15 AM CST
Rel. Humidity: 64%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.71 in.
Flight Rule: VFR
Wind Data
8 MPH
300° Northwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny and cold, with a high near 11. North wind 5 to 7 mph becoming calm in the afternoon.

Mostly Clear on Tonight Tonight... Mostly clear, with a temperature falling to near 5 by 9pm, then rising to around 15 during the remainder of the night. Light and variable wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 24 mph.

Sunny on Monday Monday... Sunny, with a high near 39. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 25. Southwest wind around 6 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 46. Southwest wind 5 to 7 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 47.

20% chance of thunderstorms Wednesday Night Wednesday Night... A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 39.

20% chance of rain Thursday Thursday... A 20 percent chance of rain before noon. Mostly sunny, with a high near 52.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20.

Partly Sunny on Friday Friday... Partly sunny, with a high near 39.

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 53.

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.