• Tonight

    Sep 18

    Lo 54°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Fri

    Sep 19

    70°Lo 61°

    Partly sunny and breezy

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

    Sep 20

    76°Lo 61°

    A couple of p.m. t-storms

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

    Sep 21

    70°Lo 55°

    Clouds breaking and breezy

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      52%
    more
  • Mon

    Sep 22

    68°Lo 56°

    Cool with periods of sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      46%
    more
Next Previous
Clouds and sun 63° Lo 60° RealFeel® 65° / 54°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 67%
  • Cloud Cover: 31%
  • Dew Point: 51° F
  • Visibility: 10 mi
10 mph

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 64° 74° N/A 81°
Low 54° 53° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:21 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:23 AM with 14:27 of moolight, then sets at 3:50 PM

Top Story

Chicago Weather Report

Chicago: Chance of Interrupting Thunderstorms for Weekend

September 18, 2014; 8:15 PM ET

Chicago is facing a mostly clear weekend with the threat of some disruptive thunderstorms on Saturday. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps