• Today

    Aug 20

    82°Lo 70°

    Sun mixing with clouds

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

    Aug 21

    82°Lo 72°

    A couple of thunderstorms

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

    Aug 22

    84°Lo 70°

    A couple of thunderstorms

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

    Aug 23

    82°Lo 72°

    Clouds and sun with a t-storm

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

    Aug 24

    86°Lo 71°

    Very warm with clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 82° RealFeel® 86° Precipitation 14%

Day

N

E

S

W

  • W 4 mph
  • Gusts: 7 mph

Sunshine mixing with some clouds

  • Max UV Index: 7 (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 70° RealFeel® 69° Precipitation 56%

Night

N

E

S

W

  • SSW 4 mph
  • Gusts: 6 mph

Turning cloudy and humid; a late-night shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 41%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 82° 82° 98° (1947) 88°
Low 70° 66° 47° (1950) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 13:40 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:42 AM with 14:47 of moolight, then sets at 4:29 PM

Top Story

Chicago Weather Report

Chicago: Showers, Thunderstorms to Return Thursday

August 20, 2014; 3:53 AM ET

There will be an uptick in humidity and storms in Chicago for much of this 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