• Tonight

    Sep 1

    Lo 62°

    A thunderstorm in spots early

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 2

    81°Lo 60°

    Clouds and sun; less humid

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

    Sep 3

    85°Lo 70°

    Partly sunny and more humid

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

    Sep 4

    85°Lo 71°

    Times of clouds and sun

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      11 mph
    • Cloud
      Cover
      67%
    more
  • Fri

    Sep 5

    82°Lo 61°

    Not as warm with a t-storm

    Ragweed Pollen Weather
    • Precip
      63%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      69%
    more
Next Previous
A shower or thunderstorm 74° Lo 66° RealFeel® 72° / 64°

N

E

S

W

  • Precipitation: 50%
  • Rain: 0.01 in
  • Snow: 0 in
  • Humidity: 86%
  • Cloud Cover: 38%
  • Dew Point: 65° F
  • Visibility: 9 mi
5 mph

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 81° 81° 101° (1953) 86°
Low 62° 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

Chicago: Cooler, Less Humid Air to Return by Late Week

September 1, 2014; 8:54 PM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps