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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 am CST Nov 20, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of rain on Overnight Morning Fog on Thursday 80% chance of rain on Friday Sunny on Saturday Mostly Sunny on Sunday 50% chance of rain on Monday 40% chance of rain on Tuesday Mostly Sunny on Wednesday
Low: 45°F High: 58°F High: 55°F High: 56°F High: 61°F High: 56°F High: 57°F High: 46°F
Low: 51°F Low: 39°F Low: 41°F Low: 44°F Low: 47°F Low: 36°F  
Rain Morning Fog Rain Sunny Mostly Sunny Rain Rain Mostly Sunny
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Current Conditions at
QUINCY - (KUIN)
46°
Feels like 41°F
Cloudy
Light Rain Mist
as of 2:54 AM CST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 4 Miles
Pressure: 30.09 in.
Flight Rule: LIFR
Wind Data
10 MPH
170° South
Cloud Level(s): Broken at 300ft, Solid Overcast at 7500ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
46°
Cloudy
Mist
as of 3:15 AM CST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 4 Miles
Pressure: 30.10 in.
Flight Rule: IFR
Wind Data
3 MPH
070° East
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
PITTSFIELD - (KPPQ)
46°
Cloudy
as of 3:15 AM CST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 1/2 Miles
Pressure: 30.11 in.
Flight Rule: LIFR
Wind Data
7 MPH
160° South
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
FORT MADISON - (KFSW)
46°
Cloudy
Mist
as of 3:15 AM CST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 6 Miles
Pressure: 30.10 in.
Flight Rule: IFR
Wind Data
1 MPH
110° East
Cloud Level(s): Solid Overcast at 800ft
20% chance of rain Overnight Overnight... A 20 percent chance of rain before 4am. Cloudy, with a low around 45. Southeast wind around 6 mph.

Morning Fog on Thursday Thursday... Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 58. Southeast wind 3 to 6 mph.

50% chance of rain Thursday Night Thursday Night... A 50 percent chance of rain after midnight. Patchy fog between 11pm and 1am. Otherwise, cloudy, with a low around 51. Northeast wind 3 to 7 mph.

80% chance of rain Friday Friday... Rain. High near 55. Northeast wind 7 to 9 mph. Chance of precipitation is 80%.

30% chance of rain Friday Night Friday Night... A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 39. Northeast wind 5 to 8 mph.

Sunny on Saturday Saturday... Sunny, with a high near 56.

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

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 61.

20% chance of rain Sunday Night Sunday Night... A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 44.

50% chance of rain Monday Monday... A 50 percent chance of rain. Mostly cloudy, with a high near 56.

60% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

40% chance of rain Tuesday Tuesday... A 40 percent chance of rain. Partly sunny, with a high near 57.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36.

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

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 06:57 AM
Sunset: 4:46 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:22 AM
Astro Sunset: 6:20 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.