• Early AM

    Sep 1

    Lo 67°

    Areas of fog

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      99°
    more
  • Today

    Sep 1

    87°Lo 68°

    Fog in the morning; hazy sun

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      16%
    • Hi
      RealFeel
      95°
  • Wed

    Sep 2

    88°Lo 67°

    Partly sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      97°
    more
  • Thu

    Sep 3

    85°Lo 67°

    Mostly sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      15%
    • Hi
      RealFeel
      94°
    more
  • Fri

    Sep 4

    86°Lo 67°

    Mostly sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      96°
    more
Next Previous
Hi 87° RealFeel® 95° Precipitation 25%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 13 mph

Areas of fog this morning; otherwise, hazy sunshine and very warm

  • 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® 70° Precipitation 16%

Night

N

E

S

W

  • SW 6 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 87° 79° 93° (2000) 79°
Low 68° 58° 42° (1967) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:09 of sunlight, then sets at 7:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:23 PM with 13:34 of moolight, then sets at 10:57 AM

DeKalb Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 3:51 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?

Current Drought Status

Current Soil Conditions

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration