• Tonight

    Sep 2

    Lo 71°

    Mostly cloudy with a t-storm

    Lawn Mowing Weather
    • Hours of Precip
      1
    • Precip
      10%
    • Hi
      RealFeel
      97°
  • Thu

    Sep 3

    89°Lo 71°

    Partly sunny, warm and humid

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      20%
    • Hi
      RealFeel
      97°
    more
  • Fri

    Sep 4

    89°Lo 71°

    A thunderstorm in spots

    Good for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      40%
    • Hi
      RealFeel
      99°
    more
  • Sat

    Sep 5

    89°Lo 72°

    Partly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      93°
    more
  • Sun

    Sep 6

    90°Lo 72°

    Partly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      2
    • Precip
      5%
    • Hi
      RealFeel
      92°
    more
Next Previous
Hi 89° RealFeel® 97° Precipitation 10%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 18 mph

Humid and warmer with some sun

  • 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 71° RealFeel® 68° Precipitation 55%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

Mostly cloudy, warm and humid with a shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 52%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 89° 81° N/A N/A
Low 71° 58° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:04 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:05 PM with 14:01 of moolight, then sets at 12:06 PM

Peru Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 2, 2015; 3:34 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. 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

Wed. Overnight Freeze

Wed. Degree Days

Wed. Evapotranspiration