• Today

    Dec 20

    31°Lo 26°

    Mostly cloudy, p.m. flurries

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      32°
    • UV
      1 - Low
    • Cloud
      Cover
      95%
    more
  • Sun

    Dec 21

    37°Lo 30°

    Mostly cloudy with a flurry

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      26°
    • UV
      1 - Low
    • Cloud
      Cover
      91%
  • Mon

    Dec 22

    39°Lo 36°

    Mostly cloudy, afternoon rain

    At High Risk weather for sinus headaches
    • Hi
      RealFeel
      23°
    • UV
      0 - Low
    • Cloud
      Cover
      96%
    more
  • Tue

    Dec 23

    40°Lo 30°

    Showers of rain and snow

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      32°
    • UV
      1 - Low
    • Cloud
      Cover
      95%
    more
  • Wed

    Dec 24

    32°Lo 25°

    Windy with snow showers

    At High Risk weather for sinus headaches
    • Hi
      RealFeel
      20°
    • UV
      1 - Low
    • Cloud
      Cover
      94%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4am
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  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 29° 29° 29° 30° 30° 31° 32° 33°
RealFeel® 22° 21° 21° 20° 19° 19° 21° 22°
Humidity 84% 85% 85% 85% 85% 84% 82% 79%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
9%
 
9%
 
13%
 
34%
 
37%
Ice
 
0%
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 8 SSE 8 SSE 9 SSE 9 SSE 10 SSE 12 SSE 13 SSE 14 SSE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 95% 95% 95% 91% 93% 94% 95% 95%
Dew Point 25° 25° 25° 26° 26° 26° 27° 27°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 37° 30° 57° (1967) 32°
Low 30° 15° -8° (2008) 25°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:19 AM with 9:08 of sunlight, then sets at 4:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:34 AM with 10:01 of moolight, then sets at 4:35 PM

DeKalb Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 20, 2014; 4:16 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. more >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Sun. Sinus Headache

Sun. UV Index