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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 10:46 am CST Dec 13, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
90% chance of snow on Today Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of rain on Thursday Partly Sunny on Friday
High: 11°F Low: -1°F High: 10°F High: 38°F High: 46°F High: 52°F High: 48°F High: 43°F
Low: 4 °F Low: 23°F Low: 33°F Low: 39°F Low: 23°F  
Snow Mostly Clear Sunny Sunny Mostly Sunny Mostly Sunny Rain Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
Cloudy
Light Snow Freezing Fog
as of 10:54 AM CST
Rel. Humidity: 84%
Dew Point: 5°F
Visibility: 1/2 Miles
Pressure: 30.32 in.
Flight Rule: IFR
Wind Data
8 MPH
010° North
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
Mostly Cloudy
Mist
as of 10:55 AM CST
Rel. Humidity: 84%
Dew Point: 5°F
Visibility: 2 Miles
Pressure: 30.34 in.
Flight Rule: IFR
Wind Data
8 MPH
350° North
Cloud Level(s): Broken at 500ft, Broken at 2600ft, Broken at 3600ft
Current Conditions at
FORT MADISON - (KFSW)
Partly Cloudy
Light Snow Freezing Fog
as of 10:55 AM CST
Rel. Humidity: 84%
Dew Point: 3°F
Visibility: 1/2 Miles
Pressure: 30.32 in.
Flight Rule: IFR
Wind Data
6 MPH
300° Northwest
90% chance of snow Today Today... Snow, mainly before 3pm. Steady temperature around 11. North wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around -1. Wind chill values as low as -15. Northwest wind 9 to 11 mph, with gusts as high as 24 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 10. Wind chill values as low as -15. North wind 6 to 11 mph becoming light and variable in the afternoon. Winds could gust as high as 23 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a temperature falling to near 4 by 10pm, then rising to around 13 during the remainder of the night. Light and variable wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 21 mph.

Sunny on Monday Monday... Sunny, with a high near 38. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 23.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 46.

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

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 52.

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

20% chance of rain Thursday Thursday... A 20 percent chance of rain. Mostly sunny, with a high near 48.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 23.

Partly Sunny on Friday Friday... Partly sunny, with a high near 43.

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:19 AM
Sunset: 4:41 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:45 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.