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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 5:06 pm CST Dec 4, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Tonight Increasing Clouds on Friday Partly Sunny on Saturday 20% chance of snow on Sunday Partly Sunny on Monday Partly Sunny on Tuesday 30% chance of rain on Wednesday Partly Sunny on Thursday
Low: 5 °F High: 35°F High: 33°F High: 29°F High: 28°F High: 38°F High: 39°F High: 30°F
Low: 24°F Low: 26°F Low: 6°F Low: 22°F Low: 30°F Low: 18°F  
Mostly Clear Increasing Clouds Partly Sunny Snow Partly Sunny Partly Sunny Rain Partly Sunny
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Current Conditions at
QUINCY - (KUIN)
16°
Clear
as of 4:54 PM CST
Rel. Humidity: 56%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
3 MPH
070° East
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
16°
Clear
as of 4:55 PM CST
Rel. Humidity: 44%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
FORT MADISON - (KFSW)
14°
Clear
as of 4:55 PM CST
Rel. Humidity: 61%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
6 MPH
120° Southeast
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 5. Calm wind becoming south 5 to 7 mph in the evening.
Increasing Clouds on Friday Friday... Increasing clouds, with a high near 35. Southwest wind 7 to 9 mph.
Cloudy on Friday Night Friday Night... Cloudy, with a low around 24. Southwest wind 5 to 7 mph becoming west after midnight.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 33. Calm wind becoming east around 5 mph in the afternoon.
50% chance of snow Saturday Night Saturday Night... A 50 percent chance of snow, mainly after midnight. Cloudy, with a low around 26. East wind 5 to 8 mph.
20% chance of snow Sunday Sunday... A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 6.
Partly Sunny on Monday Monday... Partly sunny, with a high near 28.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 22.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 38.
20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 30.
30% chance of rain Wednesday Wednesday... A 30 percent chance of rain. Mostly cloudy, with a high near 39.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 18.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 30.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:11 AM
Sunset: 4:40 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:17 PM
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