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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 11:12 am CST Jan 2, 2026 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Cloudy on This Afternoon Cloudy on Tonight Mostly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 40% chance of rain on Thursday
High: 31°F Low: 25°F High: 38°F High: 39°F High: 56°F High: 57°F High: 56°F High: 55°F
Low: 23°F Low: 33°F Low: 38°F Low: 34°F Low: 41°F  
Cloudy Cloudy Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
QUINCY - (KUIN)
28°
Cloudy
as of 12:54 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: MVFR
Wind Data
8 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
27°
Cloudy
as of 1:35 PM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: MVFR
Wind Data
6 MPH
070° East
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
FORT MADISON - (KFSW)
27°
Cloudy
as of 1:35 PM CST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: MVFR
Wind Data
7 MPH
0° North
Cloud Level(s): Solid Overcast at 1600ft
Cloudy on This Afternoon This Afternoon... Cloudy, with a high near 31. Northeast wind around 8 mph.
Cloudy on Tonight Tonight... Cloudy, with a low around 25. Northeast wind 5 to 7 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 38. North wind 5 to 7 mph becoming northwest in the afternoon.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 23. Northwest wind around 6 mph becoming calm after midnight.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 39. Calm wind becoming southeast 5 to 9 mph in the morning.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 33.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 56.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 38.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 57.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 34.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 56.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 41.
40% chance of rain Thursday Thursday... A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:27 AM
Sunset: 4:52 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:50 AM
Astro Sunset: 6:29 PM
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