• Today

    Aug 30

    83°Lo 66°

    Mostly cloudy with a t-storm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 31

    84°Lo 69°

    Humid with clouds and sun

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Sep 1

    82°Lo 66°

    Thunderstorms, strong late

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 2

    81°Lo 60°

    Times of clouds and sun

    Moderate ragweed pollen levels
    • Precip
      20%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Wed

    Sep 3

    82°Lo 70°

    Partly sunny and humid

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      30%
    more
Next Previous
Hi 82° RealFeel® 86° Precipitation 65%

Day

N

E

S

W

  • SSW 12 mph
  • Gusts: 22 mph

T-storms, strong late; mostly cloudy; storms can bring downpours, large hail and damaging winds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 91%
  • Precipitation: 0.4 in
  • Rain: 0.4 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 66° RealFeel® 64° Precipitation 25%

Night

N

E

S

W

  • WNW 6 mph
  • Gusts: 13 mph

Partly cloudy 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 9/1/2013
High 82° 81° 101° (1953) 86°
Low 66° 58° 38° (1967) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:07 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:13 PM with 10:13 of moolight, then sets at 11:26 PM

Top Story

Peru Weather Report

Severe Storms to Threaten Chicago on Labor Day

August 30, 2014; 4:42 PM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. more >

Mon. Dust & Dander

Mon. Wind Maps