• Today

    Aug 30

    80°Lo 69°

    A couple of thunderstorms

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

    Aug 31

    79°Lo 70°

    Humid with clouds and sun

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

    Sep 1

    79°Lo 65°

    Mostly cloudy with t-storms

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

    Sep 2

    77°Lo 65°

    Times of clouds and sun

    Moderate ragweed pollen levels
    • Precip
      22%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      46%
    more
  • Wed

    Sep 3

    80°Lo 69°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      27%
    more
Next Previous
Hi 79° RealFeel® 83° Precipitation 25%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 10 mph

Humid with times of clouds and sun

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 70° RealFeel® 68° Precipitation 59%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 13 mph

Mostly cloudy, warm and humid with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Chicago Pollen Levels - August 31

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 79° 80° N/A 78°
Low 70° 60° N/A 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:11 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:08 PM with 10:27 of moolight, then sets at 10:35 PM

Top Story

Chicago Weather Report

Chicago: Thunderstorms May Dampen Labor Day Plans

August 29, 2014; 2:08 PM ET

Thunderstorms and showers will persist in the Chicago area throughout the holiday weekend, bringing the risk of disrupting outdoor activities and weekend plans. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps