• Today

    Aug 31

    86°Lo 66°

    Warm with hazy sunshine

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

    Sep 1

    89°Lo 68°

    Fog in the a.m.; mostly sunny

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

    Sep 2

    90°Lo 67°

    Partly sunny, hot and humid

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

    Sep 3

    88°Lo 66°

    Mostly sunny and very warm

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

    Sep 4

    89°Lo 65°

    Mostly sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 86° RealFeel® 92° Precipitation 3%

Day

N

E

S

W

  • SSW 2 mph
  • Gusts: 8 mph

Warm with hazy sunshine

  • Max UV Index: 5 (Moderate)
  • 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 4%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 7 mph

Mainly clear and warm; areas of late-night fog

  • 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 - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 86° 80° 99° (1953) 85°
Low 66° 60° 47° (1872) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:11 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:41 PM with 13:01 of moolight, then sets at 9:42 AM

Westmont Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

August 31, 2015; 3:42 PM 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.

48 Hour Precipitation Forecast

Mon. Snow Day Potential