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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 5:01 pm CST Dec 27, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday New Year's Day Friday Saturday
60% chance of thunderstorms on Tonight 80% chance of rain & snow on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on New Year's Day Mostly Sunny on Friday Mostly Cloudy on Saturday
Low: 56 °F High: 35 °F High: 25°F High: 33°F High: 41°F High: 33°F High: 39°F High: 43°F
Low: 15°F Low: 15°F Low: 26°F Low: 22°F Low: 17°F Low: 26°F  
Thunderstorms Rain & Snow Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
QUINCY - (KUIN)
50°
Feels like 44°F
Cloudy
Mist
as of 4:54 PM CST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 1 1/4 Miles
Pressure: 29.73 in.
Flight Rule: LIFR
Wind Data
14 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
48°
Feels like 43°F
Cloudy
Fog
as of 5:35 PM CST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 1/4 Miles
Pressure: 29.74 in.
Flight Rule: LIFR
Wind Data
10 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
FORT MADISON - (KFSW)
48°
Feels like 44°F
Cloudy
Mist
as of 5:35 PM CST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 1 Miles
Pressure: 29.74 in.
Flight Rule: LIFR
Wind Data
9 MPH
110° East
Cloud Level(s): Solid Overcast at 100ft
60% chance of thunderstorms Tonight Tonight... A chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Areas of fog. Otherwise, mostly cloudy, with a temperature rising to around 56 by 1am. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
80% chance of rain & snow Sunday Sunday... Rain showers before 5pm, then a slight chance of rain and snow showers. Some thunder is also possible. Patchy fog before noon. Temperature falling to around 35 by 5pm. Breezy, with a south wind 6 to 11 mph becoming northwest 16 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 15. Blustery, with a west wind around 26 mph, with gusts as high as 39 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 25. Blustery, with a northwest wind 21 to 26 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 15. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 33.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 26.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 41.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 33.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 17.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 39.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 26.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 43.
Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:26 AM
Sunset: 4:47 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:25 PM
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