• Early AM

    Sep 1

    Lo 66°

    Areas of fog

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

    Sep 1

    89°Lo 67°

    Fog in the morning; hazy

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

    Sep 2

    90°Lo 67°

    Partly sunny, warm and humid

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

    Sep 3

    89°Lo 66°

    Mostly sunny and very warm

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

    Sep 4

    90°Lo 64°

    Mostly sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 89° RealFeel® 94° Precipitation 7%

Day

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

Sunny to partly cloudy and very warm

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 66° Precipitation 8%

Night

N

E

S

W

  • S 2 mph
  • Gusts: 5 mph

Clear and warm

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 89° 79° N/A 83°
Low 66° 60° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:07 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:00 PM with 14:05 of moolight, then sets at 12:05 PM

Algonquin Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 12:41 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. 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.

Thu. Snow Day Potential