• Today

    Jul 31

    77°Lo 58°

    A thunderstorm in spots

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

    Aug 1

    79°Lo 58°

    An afternoon thunderstorm

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

    Aug 2

    78°Lo 54°

    Partly sunny with a t-storm

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

    Aug 3

    79°Lo 60°

    Partly sunny and nice

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

    Aug 4

    82°Lo 62°

    A thunderstorm possible

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Clear
Clear
Partly Cloudy
Partly Sunny
Partly Sunny
Sunny
Sunny
Sunny
Temp (°F) 53° 55° 59° 59° 59° 68° 70° 72°
RealFeel® 54° 53° 56° 56° 57° 65° 69° 73°
Humidity 96% 90% 80% 80% 85% 70% 67% 68%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
1%
 
3%
 
3%
 
4%
 
7%
 
7%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 0 4 SW 5 W 5 W 6 W 8 WSW 8 WSW 8 WSW
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 0% 2% 45% 42% 41% 1% 1% 1%
Dew Point 52° 52° 53° 53° 55° 58° 59° 60°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 77° 82° N/A 76°
Low 58° 62° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:28 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:20 AM with 12:01 of moolight, then sets at 10:21 PM

Top Story

DeKalb Weather Report

Late-Week Thunderstorms in Store for Chicago

July 31, 2014; 2:58 AM ET

Thunderstorms will move into the Chicago area later this week, and the threat for storms will remain into the weekend. 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

Thu. Snow Day Potential