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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 pm CST Dec 3, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of rain & snow on This Afternoon Cloudy on Tonight Mostly Cloudy on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday 20% chance of snow on Sunday Partly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday
High: 36°F Low: 2 °F High: 17°F High: 34°F High: 33°F High: 26°F High: 29°F High: 39°F High: 43°F
Low: 8 °F Low: 21°F Low: 20°F Low: 9°F Low: 22°F Low: 32°F  
Rain & Snow Cloudy Mostly Cloudy Mostly Sunny Mostly Cloudy Snow Partly Sunny Partly Sunny Rain
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Current Conditions at
QUINCY - (KUIN)
36°
Feels like 27°F
Cloudy
as of 3:54 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 8 Miles
Pressure: 30.10 in.
Flight Rule: MVFR
Wind Data
12 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
32°
Feels like 22°F
Cloudy
Mist
as of 3:55 PM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 4 Miles
Pressure: 30.12 in.
Flight Rule: IFR
Wind Data
14 MPH
Gust: 21 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
FORT MADISON - (KFSW)
30°
Feels like 18°F
Cloudy
Mist
as of 3:55 PM CST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 5 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
18 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 1000ft
20% chance of rain & snow This Afternoon This Afternoon... A slight chance of rain and snow before 5pm, then a chance of flurries. Cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Cloudy on Tonight Tonight... Cloudy, with a low around 2. North wind 7 to 13 mph, with gusts as high as 22 mph.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, then gradually becoming sunny and cold, with a high near 17. Wind chill values as low as -10. North wind 5 to 7 mph becoming calm in the morning.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 8. South wind 5 to 7 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 34. Southwest wind 5 to 7 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 33.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow. Cloudy, with a low around 20.

20% chance of snow Sunday Sunday... A 20 percent chance of snow before noon. Mostly cloudy, with a high near 26.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 9.

Partly Sunny on Monday Monday... Partly sunny, with a high near 29.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 22.

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

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

20% chance of rain Wednesday Wednesday... A 20 percent chance of rain. Mostly cloudy, with a high near 43.

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:11 AM
Sunset: 4:40 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:17 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.