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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 1:06 am CST Jan 17, 2026 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday M.L.King Day Tuesday Wednesday Thursday Friday
20% chance of snow on Overnight 30% chance of snow on Saturday 20% chance of snow on Sunday Sunny on M.L.King Day Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 20% chance of rain on Friday
Low: 14°F High: 21°F High: 33°F High: 19°F High: 34°F High: 42°F High: 32°F High: 36°F
Low: 10°F Low: 9 °F Low: 11°F Low: 26°F Low: 20°F Low: 21°F  
Snow Snow Snow Sunny Mostly Sunny Partly Sunny Mostly Sunny Rain
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Current Conditions at
QUINCY - (KUIN)
18°
Feels like -1°F
Clear
as of 12:54 AM CST
Rel. Humidity: 40%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
28 MPH
Gust: 38 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
14°
Cloudy
as of 1:35 AM CST
Rel. Humidity: 61%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: MVFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 2800ft
Current Conditions at
FORT MADISON - (KFSW)
14°
Feels like -1°F
Clear
as of 1:35 AM CST
Rel. Humidity: 66%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 20 MPH
280° West
Cloud Level(s): Clear
20% chance of snow Overnight Overnight... A chance of flurries. Mostly clear, with a low around 14. West wind 14 to 16 mph, with gusts as high as 26 mph.

30% chance of snow Saturday Saturday... A chance of flurries before 1pm, then a chance of snow after 4pm. Increasing clouds, with a high near 21. West wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 10. Northwest wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

20% chance of snow Sunday Sunday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 33. South wind 9 to 16 mph, with gusts as high as 28 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 9. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.

Sunny on M.L.King Day M.L.King Day... Sunny and cold, with a high near 19.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 11.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 34.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 26.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 42.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 20.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 32.

20% chance of freezing rain Thursday Night Thursday Night... A slight chance of freezing rain. Partly cloudy, with a low around 21. Chance of precipitation is 20%.

20% chance of rain Friday Friday... A 20 percent chance of rain. Partly sunny, with a high near 36.

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:24 AM
Sunset: 5:07 PM
Civil Sunrise:06:55 AM
Civil Sunset: 5:37 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:42 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.