• Tue

    Sep 15

    71°Lo 54°

    Rain tapering to a shower

    Fair for lawn mowing
    • Hours of Precip
      6
    • Precip
      10%
    • Hi
      RealFeel
      69°
  • Wed

    Sep 16

    70°Lo 53°

    Mostly cloudy

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      20%
    • Hi
      RealFeel
      68°
    more
  • Thu

    Sep 17

    71°Lo 53°

    Increasing cloudiness

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      72°
    more
  • Fri

    Sep 18

    71°Lo 51°

    Increasing cloudiness

    Lawn Mowing Weather
    • Hours of Precip
      2
    • Precip
      60%
    • Hi
      RealFeel
      70°
    more
  • Sat

    Sep 19

    69°Lo 52°

    Rain

    Lawn Mowing Weather
    • Hours of Precip
      14.5
    • Precip
      74%
    • Hi
      RealFeel
      65°
    more
Next Previous
Hi 71° RealFeel® 69° Precipitation 75%

Day

N

E

S

W

  • SE 13 mph
  • Gusts: 24 mph

Mostly cloudy with rain ending, then maybe another shower

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.52 in
  • Rain: 0.52 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 6 hrs
  • Hours of Rain: 6 hrs
Lo 54° RealFeel® 50° Precipitation 10%

Night

N

E

S

W

  • SW 12 mph
  • Gusts: 22 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 15

more Historical Weather Data >
  Today Normal Record 9/15/2014
High 71° 75° 90° (1994) 55°
Low 54° 53° 35° (2007) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:30 of sunlight, then sets at 7:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:44 AM with 11:33 of moolight, then sets at 8:17 PM

DeKalb 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 >

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?