• Today

    Jul 31

    82°Lo 59°

    A thunderstorm in spots

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      50%
    • Hi
      RealFeel
      82°
    more
  • Fri

    Aug 1

    82°Lo 58°

    An afternoon thunderstorm

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      55%
    • Hi
      RealFeel
      88°
    more
  • Sat

    Aug 2

    81°Lo 56°

    A p.m. t-storm in spots

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      43%
    • Hi
      RealFeel
      87°
    more
  • Sun

    Aug 3

    84°Lo 62°

    Partly sunny and beautiful

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      90°
  • Mon

    Aug 4

    84°Lo 64°

    A thunderstorm possible

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      30%
    • Hi
      RealFeel
      91°
    more
Next Previous
Hi 84° RealFeel® 90° Precipitation 10%

Day

N

E

S

W

  • NW 3 mph
  • Gusts: 5 mph

Partly sunny and beautiful

  • Max UV Index: 7 (High)
  • Thunderstorms: 16%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 59° Precipitation 14%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 3

more Historical Weather Data >
  Today Normal Record 8/3/2013
High 84° 83° 98° (1964) 81°
Low 62° 64° 48° (1894) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:21 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:16 PM with 10:40 of moolight, then sets at 11:56 PM

Top Story

Carol Stream 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 >

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?

Sun. Degree Days

Sun. Evapotranspiration