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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 am CST Jan 24, 2026 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
60% chance of snow on This Afternoon 80% chance of snow on Tonight 80% chance of snow on Sunday Sunny on Monday Sunny on Tuesday 20% chance of snow on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday
High: 8 °F Low: 5 °F High: 16°F High: 16°F High: 29°F High: 25°F High: 20°F High: 22°F
Low: -3°F Low: 9°F Low: 6°F Low: 5°F Low: 4°F  
Snow Snow Snow Sunny Sunny Snow Mostly Sunny Mostly Sunny
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Current Conditions at
QUINCY - (KUIN)
1°
Clear
Light Snow
as of 1:10 PM CST
Rel. Humidity: 77%
Dew Point: -4°F
Visibility: 3/4 Miles
Pressure: 30.53 in.
Flight Rule: MVFR
Wind Data
8 MPH
040° Northeast
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
-0°
Clear
Haze
as of 12:55 PM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 1 Miles
Pressure: 30.58 in.
Flight Rule: IFR
Wind Data
7 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
FORT MADISON - (KFSW)
-0°
Cloudy
Light Snow Haze
as of 12:55 PM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 1 1/2 Miles
Pressure: 30.57 in.
Flight Rule: IFR
Wind Data
7 MPH
0° North
Cloud Level(s): Solid Overcast at 2700ft
60% chance of snow This Afternoon This Afternoon... Snow likely. Cloudy and cold, with a high near 8. Northeast wind around 7 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
80% chance of snow Tonight Tonight... Snow. Low around 5. North wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
80% chance of snow Sunday Sunday... Snow, mainly before 11am. High near 16. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -3. Wind chill values as low as -15. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunny on Monday Monday... Sunny and cold, with a high near 16. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 9.
Sunny on Tuesday Tuesday... Sunny, with a high near 29.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 6.
20% chance of snow Wednesday Wednesday... A 20 percent chance of snow after noon. Partly sunny, with a high near 25.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 5.
Mostly Sunny on Thursday Thursday... Mostly sunny and cold, with a high near 20.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 4.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 22.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:20 AM
Sunset: 5:15 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:44 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 6:17 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:49 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.