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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 11:11 am CST Jan 23, 2026 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Today Cloudy on Tonight 60% chance of snow on Saturday 40% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday
High: 4 °F Low: -1°F High: 8 °F High: 14°F High: 17°F High: 28°F High: 21°F High: 16°F
Low: 6 °F Low: -3°F Low: 9°F Low: 6°F Low: 1°F  
Mostly Cloudy Cloudy Snow Snow Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
QUINCY - (KUIN)
-6°
Feels like -26°F
Clear
as of 10:54 AM CST
Rel. Humidity: 44%
Dew Point: -22°F
Visibility: 10 Miles
Pressure: 30.77 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 22 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
-6°
Feels like -22°F
Clear
as of 11:15 AM CST
Rel. Humidity: 32%
Dew Point: -27°F
Visibility: 10 Miles
Pressure: 30.81 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 18 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
FORT MADISON - (KFSW)
-6°
Feels like -25°F
Partly Cloudy
as of 11:15 AM CST
Rel. Humidity: 44%
Dew Point: -22°F
Visibility: 10 Miles
Pressure: 30.81 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 20 MPH
340° North
Cloud Level(s): Scattered at 11000ft
Mostly Cloudy on Today Today... Mostly cloudy and cold, with a high near 4. Wind chill values as low as -20. North wind 10 to 14 mph, with gusts as high as 23 mph.
Cloudy on Tonight Tonight... Cloudy, with a low around -1. Wind chill values as low as -15. Northeast wind 8 to 10 mph.
60% chance of snow Saturday Saturday... Snow likely, mainly after 1pm. Cloudy and cold, with a high near 8. Wind chill values as low as -15. Northeast wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
80% chance of snow Saturday Night Saturday Night... Snow, mainly after 9pm. Low around 6. Northeast wind 7 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
40% chance of snow Sunday Sunday... A 40 percent chance of snow. Mostly cloudy and cold, with a high near 14. North wind around 9 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -3.
Sunny on Monday Monday... Sunny and cold, with a high near 17.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 9.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 28.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 6.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 21.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 1.
Mostly Sunny on Thursday Thursday... Mostly sunny and cold, with a high near 16.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:21 AM
Sunset: 5:14 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:43 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 6:16 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:48 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.