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DeKalb, Illinois Weather Forecast
DeKalb, Illinois Weather
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Weather Forecast for DeKalb, Illinois : DeKalb County
Issued: 4:26 am CST Dec 7, 2025 Latitude: 41.9294736 Longitude: -88.7503647 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
90% chance of snow on Overnight 70% chance of snow on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday 20% chance of rain & snow on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 26°F High: 12 °F High: 21°F High: 36°F High: 34°F High: 24°F High: 14°F High: 9°F
Low: 5 °F Low: 13°F Low: 32°F Low: 16°F Low: 6°F Low: -3°F  
Snow Snow Partly Sunny Mostly Cloudy Rain & Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
DE KALB TAYLOR MUNICIPAL - (KDKB)
25°
Cloudy
Snow
as of 4:55 AM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 1 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
AURORA - (KARR)
28°
Feels like 19°F
Cloudy
Light Snow Mist
as of 4:52 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 1 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
9 MPH
050° Northeast
Cloud Level(s): Scattered at 1000ft, Solid Overcast at 2900ft
Current Conditions at
WEST CHICAGO - (KDPA)
28°
Feels like 19°F
Cloudy
Light Snow Mist
as of 4:52 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 1 1/4 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
10 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 1600ft
90% chance of snow Overnight Overnight... Snow. The snow could be heavy at times. Steady temperature around 26. North northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 7 inches possible.

70% chance of snow Sunday Sunday... Snow likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 12 by 5pm. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a temperature falling to near 5 by 11pm, then rising to around 12 during the remainder of the night. Wind chill values as low as -7. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 21. Light south southwest wind becoming south 5 to 10 mph in the morning.

20% chance of snow Monday Night Monday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 13. South wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 36.

90% chance of rain Tuesday Night Tuesday Night... Rain. Low around 32. Breezy. Chance of precipitation is 90%.

20% chance of rain & snow Wednesday Wednesday... A chance of rain and snow showers before 9am, then a chance of snow showers between 9am and noon. Mostly cloudy, with a high near 34.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16.

20% chance of snow Thursday Thursday... A chance of snow after noon. Mostly cloudy, with a high near 24.

20% chance of snow Thursday Night Thursday Night... A chance of snow. Mostly cloudy, with a low around 6.

Partly Sunny on Friday Friday... Partly sunny, with a high near 14.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -3.

Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 9.

Current Radar Image


Sun Almanac for DeKalb, Illinois
Sunrise: 07:10 AM
Sunset: 4:24 PM
Civil Sunrise:06:38 AM
Civil Sunset: 4:55 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:04 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.