• Today

    Dec 17

    26°Lo 18°

    Cloudy and colder

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      18°
  • Thu

    Dec 18

    28°Lo 19°

    Mostly cloudy

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      28°
    more
  • Fri

    Dec 19

    30°Lo 22°

    Mostly cloudy

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      4%
    • Hi
      RealFeel
      32°
    more
  • Sat

    Dec 20

    32°Lo 24°

    Clouds giving way to some sun

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      16%
    • Hi
      RealFeel
      34°
    more
  • Sun

    Dec 21

    35°Lo 28°

    Partly sunny

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      29°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12pm
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 23° 24° 25° 26° 25° 24° 24° 23°
RealFeel® 12° 14° 15° 16° 16° 18° 17°
Humidity 81% 78% 72% 68% 67% 70% 72% 73%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
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0%
Snow
 
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Ice
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 14 WNW 12 WNW 12 WNW 10 WNW 9 WNW 8 WNW 7 WNW 7 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 100% 100% 99% 98% 97% 96% 95% 76%
Dew Point 18° 18° 17° 17° 16° 16° 16° 16°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 17

more Historical Weather Data >
  Today Normal Record 12/17/2013
High 26° 31° 52° (2006) 32°
Low 18° 16° -8° (1972) 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:08 of sunlight, then sets at 4:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:26 AM with 11:06 of moolight, then sets at 1:32 PM

DeKalb Weather Report

Chicago: White Christmas in the Offing

December 17, 2014; 1:33 PM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Wed. Overnight Freeze

Wed. Degree Days

Wed. Evapotranspiration