• Sat

    Jul 25

    81°Lo 64°

    Increasing clouds

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Jul 26

    82°Lo 65°

    Mostly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Jul 27

    82°Lo 59°

    Partly sunny

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

    Jul 28

    77°Lo 60°

    Rain becoming steadier

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Jul 29

    77°Lo 67°

    Partly sunny with a shower

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 82° RealFeel® 85° Precipitation 20%

Day

N

E

S

W

  • WSW 7 mph
  • Gusts: 14 mph

Partly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 60° Precipitation 20%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 10 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2014
High 82° 83° 96° (1997) 80°
Low 59° 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: Monday Night Severe Storms to Precede Cooldown

July 5, 2015; 7:04 PM ET

A turn to warmer, more humid conditions will set the stage for severe weather to target the Chicago area Monday night. 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.