• Today

    Aug 4

    84°Lo 60°

    Mostly sunny and delightful

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      88°
    more
  • Wed

    Aug 5

    84°Lo 66°

    Increasing cloudiness

    Excellent for lawn mowing
    • Hours of Precip
      2
    • Precip
      7%
    • Hi
      RealFeel
      90°
    more
  • Thu

    Aug 6

    80°Lo 64°

    Mostly cloudy

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      18%
    • Hi
      RealFeel
      85°
  • Fri

    Aug 7

    83°Lo 67°

    Some sun with a thunderstorm

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      55%
    • Hi
      RealFeel
      92°
    more
  • Sat

    Aug 8

    86°Lo 68°

    Partly sunny and humid

    Excellent for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      24%
    • Hi
      RealFeel
      92°
    more
Next Previous
Hi 80° RealFeel® 85° Precipitation 18%

Day

N

E

S

W

  • ESE 7 mph
  • Gusts: 10 mph

Mostly cloudy

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 65° Precipitation 11%

Night

N

E

S

W

  • ESE 5 mph
  • Gusts: 8 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 6%
  • 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 6

more Historical Weather Data >
  Today Normal Record 8/6/2014
High 80° 83° 101° (1947) 81°
Low 64° 67° 50° (1948) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:13 of sunlight, then sets at 8:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:00 AM with 14:11 of moolight, then sets at 2:11 PM

Harvey Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 4:40 AM ET

The Chicagoland area will experience cooler weather throughout the week. 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?

Thu. Degree Days

Thu. Evapotranspiration