• Early AM

    Sep 1

    Lo 67°

    Areas of fog

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Today

    Sep 1

    88°Lo 69°

    Fog, humid in the a.m.; hazy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Sep 2

    89°Lo 68°

    Partly sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 3

    88°Lo 66°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Sep 4

    88°Lo 66°

    Mostly sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Areas of fog 67° RealFeel® 66°

N

E

S

W

  • Humidity: 85%
  • Cloud Cover: 1%
  • Dew Point: 63° F
  • Rain: 0 in
  • Snow: 0 in
  • Visibility: 5 mi
5 mph

Crystal Lake Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 2:11 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps