• Today

    Sep 1

    90°Lo 70°

    Warm and humid with hazy sun

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

    Sep 2

    91°Lo 69°

    Fog in the a.m.; partly sunny

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

    Sep 3

    89°Lo 69°

    Mainly cloudy and very warm

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

    Sep 4

    87°Lo 66°

    Sunny, very warm and humid

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

    Sep 5

    86°Lo 63°

    Mostly sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 91° RealFeel® 98° Precipitation 13%

Day

N

E

S

W

  • WSW 7 mph
  • Gusts: 10 mph

Areas of fog in the morning; otherwise, hot with partial sunshine

  • 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 69° RealFeel® 69° Precipitation 20%

Night

N

E

S

W

  • SW 2 mph
  • Gusts: 6 mph

Partly cloudy 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 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 91° 80° N/A 82°
Low 69° 60° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:06 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:59 PM with 14:04 of moolight, then sets at 12:03 PM

Arlington Heights Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 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.

48 Hour Precipitation Forecast

Wed. Snow Day Potential