• Tonight

    Jul 27

    Lo 63°

    Partly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Tue

    Jul 28

    84°Lo 71°

    Partly sunny and humid

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Jul 29

    79°Lo 59°

    An a.m. t-storm; partly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Jul 30

    81°Lo 61°

    Sunny and pleasant

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Jul 31

    83°Lo 61°

    Mostly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
8am
  8am
Forecast
Sunny
Temp (°F) 73°
RealFeel® 77°
Humidity 81%
   
  8am
Rain
 
0%
Snow
 
0%
Ice
 
0%
   
  8am
Wind (mph) 5 E
UV Index 1
Cloud Cover 0%
Dew Point 67°
Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2014
High 86° 83° 96° (1997) 80°
Low 63° 62° 49° (1991) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:36 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:53 PM with 10:04 of moolight, then sets at 2:57 AM

DeKalb Weather Report

Chicago: Heat and Humidity to Build Through Midweek

July 27, 2015; 3:35 PM ET

While cooler than average temperatures start off the work-week in Chicagoland, it will not last long as the heat and humidity will begin to build back in through the middle of the week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Mon. Snow Day Potential