• Today

    Aug 4

    82°Lo 58°

    Mostly sunny and delightful

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

    Aug 5

    85°Lo 66°

    Mostly cloudy

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

    Aug 6

    81°Lo 64°

    Mostly cloudy and humid

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

    Aug 7

    84°Lo 66°

    Some sun, a t-storm; humid

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

    Aug 8

    85°Lo 67°

    Mostly sunny and humid

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Mostly cloudy 77° Lo 68° RealFeel® 76° / 66°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 78%
  • Cloud Cover: 81%
  • Dew Point: 64° F
  • Visibility: 10 mi
6 mph

Temperature History - Aug 5

more Historical Weather Data >
  Today Normal Record 8/5/2014
High 85° 83° 107° (1918) 86°
Low 66° 64° 46° (1894) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:14 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:26 PM with 13:44 of moolight, then sets at 1:10 PM

Ottawa Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 10:40 AM ET

The Chicagoland area will experience cooler weather throughout 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

Wed. Snow Day Potential