• Tonight

    Aug 31

    Lo 66°

    Mainly clear, warm; fog late

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      91°
    more
  • Tue

    Sep 1

    89°Lo 68°

    Fog in the a.m.; mostly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      95°
  • Wed

    Sep 2

    90°Lo 67°

    Partly sunny, hot and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      96°
    more
  • Thu

    Sep 3

    88°Lo 66°

    Mostly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      94°
    more
  • Fri

    Sep 4

    89°Lo 65°

    Mostly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      94°
    more
Next Previous
Hi 89° RealFeel® 95° Precipitation 25%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 12 mph

Areas of fog in the morning; otherwise, mostly sunny and humid

  • 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 68° RealFeel® 67° Precipitation 10%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 8 mph

Mainly clear and humid

  • 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 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 80° N/A 83°
Low 68° 60° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:08 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:20 PM with 13:34 of moolight, then sets at 10:54 AM

Downers Grove Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

August 31, 2015; 9:17 PM ET

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

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration