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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 7:26 am CST Nov 18, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Today Mostly Cloudy on Tonight Mostly Cloudy on Wednesday 40% chance of rain on Thursday 60% chance of rain on Friday Mostly Sunny on Saturday Sunny on Sunday 20% chance of rain on Monday
High: 59°F Low: 42°F High: 57°F High: 63°F High: 53°F High: 55°F High: 58°F High: 59°F
Low: 46°F Low: 45°F Low: 36°F Low: 38°F Low: 41°F  
Mostly Cloudy Mostly Cloudy Mostly Cloudy Rain Rain Mostly Sunny Sunny Rain
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Current Conditions at
QUINCY - (KUIN)
52°
Cloudy
as of 9:54 AM CST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
6 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
48°
Partly Cloudy
as of 10:35 AM CST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
7 MPH
060° Northeast
Cloud Level(s): Scattered at 3600ft, Scattered at 12000ft
Current Conditions at
PITTSFIELD - (KPPQ)
54°
Cloudy
as of 10:35 AM CST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 2300ft, Solid Overcast at 4200ft
Current Conditions at
FORT MADISON - (KFSW)
50°
Cloudy
as of 10:35 AM CST
Rel. Humidity: 76%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
7 MPH
050° Northeast
Cloud Level(s): Scattered at 2600ft, Broken at 8000ft, Solid Overcast at 11000ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 59. Light and variable wind becoming north 5 to 7 mph in the afternoon.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 42. North wind 5 to 7 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 57. Light and variable wind.

20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

40% chance of rain Thursday Thursday... A 40 percent chance of rain. Mostly cloudy, with a high near 63. South wind around 6 mph becoming light and variable in the afternoon.

40% chance of rain Thursday Night Thursday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 45.

60% chance of rain Friday Friday... Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

30% chance of rain Friday Night Friday Night... A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 36.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 55.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 38.

Sunny on Sunday Sunday... Sunny, with a high near 58.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 41.

20% chance of rain Monday Monday... A 20 percent chance of rain. Partly sunny, with a high near 59.

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 06:55 AM
Sunset: 4:47 PM
Civil Sunrise:06:25 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 05:53 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:20 AM
Astro Sunset: 6:21 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.