• Early AM

    Aug 31

    Lo 59°

    Areas of fog

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

    Aug 31

    85°Lo 66°

    Sunny, very warm and humid

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

    Sep 1

    87°Lo 69°

    Mostly sunny, warm and humid

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

    Sep 2

    88°Lo 66°

    Partly sunny and very warm

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

    Sep 3

    88°Lo 65°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Partly cloudy 78° Lo 72° RealFeel® 78° / 72°

N

E

S

W

  • Precipitation: 9%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 75%
  • Cloud Cover: 46%
  • Dew Point: 66° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 88° 78° N/A 77°
Low 66° 55° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:07 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:00 PM with 14:05 of moolight, then sets at 12:05 PM

Crystal Lake Weather Report

Chicago: Heat, Humidity to Build Through Week

August 31, 2015; 12:40 AM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

Wed. Dust & Dander

Wed. Wind Maps