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Northbrook, Illinois Weather Forecast
Northbrook, Illinois Weather
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Weather Forecast for Northbrook, Illinois : Adams County
Issued: 12:26 pm CST Dec 25, 2025 Latitude: 39.9586572 Longitude: -91.3757047 View on Google Maps

MouseOver for Detail Forecast
Christmas Day Tonight Friday Saturday Sunday Monday Tuesday Wednesday
10% chance of  on Christmas Day 10% chance of  on Tonight Morning Fog on Friday Mostly Cloudy on Saturday 70% chance of thunderstorms on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday
High: 54°F Low: 51°F High: 61°F High: 64°F High: 60°F High: 25°F High: 35°F High: 37°F
  Low: 43°F Low: 54°F Low: 16°F Low: 16°F Low: 24°F  
Fog Fog Morning Fog Mostly Cloudy Thunderstorms Sunny Sunny Mostly Sunny
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Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
50°
Cloudy
Mist
as of 1:35 PM CST
Rel. Humidity: 100%
Dew Point: 50°F
Visibility: 1 Miles
Pressure: 29.98 in.
Flight Rule: LIFR
Wind Data
8 MPH
090° East
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
FORT MADISON - (KFSW)
48°
Feels like 44°F
Cloudy
Mist
as of 1:35 PM CST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 1 1/4 Miles
Pressure: 29.98 in.
Flight Rule: LIFR
Wind Data
9 MPH
060° Northeast
Cloud Level(s): Solid Overcast at 100ft
10% chance of  Christmas Day Christmas Day... A slight chance of drizzle. Patchy dense fog after 5pm. Otherwise, cloudy, with a high near 54. East wind around 7 mph.

10% chance of  Tonight Tonight... A slight chance of drizzle before 7pm. Widespread dense fog, mainly between 9pm and 11pm. Otherwise, mostly cloudy, with a low around 51. East wind around 8 mph becoming west after midnight.

Morning Fog on Friday Friday... Widespread dense fog, mainly before 7am. Otherwise, partly sunny, with a high near 61. West wind 5 to 9 mph becoming light northwest in the afternoon.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 43. Calm wind becoming east around 5 mph after midnight.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 64. Southeast wind 6 to 9 mph.

30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain after midnight. Cloudy, with a low around 54.

70% chance of thunderstorms Sunday Sunday... Showers likely and possibly a thunderstorm before 9am, then rain likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 60. Chance of precipitation is 70%.

20% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 16. Chance of precipitation is 20%.

Sunny on Monday Monday... Sunny, with a high near 25.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 16.

Sunny on Tuesday Tuesday... Sunny, with a high near 35.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 24.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 37.

Current Radar Image


Sun Almanac for Northbrook, Illinois
Sunrise: 07:26 AM
Sunset: 4:46 PM
Civil Sunrise:06:55 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:23 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.