• Today

    Sep 16

    65°Lo 43°

    Mostly sunny

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

    Sep 17

    68°Lo 48°

    Mostly sunny and pleasant

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

    Sep 18

    68°Lo 49°

    Sunshine and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Sep 19

    73°Lo 59°

    Times of clouds and sun

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      46%
    more
  • Sat

    Sep 20

    78°Lo 62°

    A couple of p.m. t-storms

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      79%
    more
Next Previous
Clear 51° Lo 49° RealFeel® 48° / 44°

N

E

S

W

  • Precipitation: 5%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 93%
  • Cloud Cover: 4%
  • Dew Point: 49° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 68° 72° N/A 78°
Low 49° 48° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:22 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:24 AM with 14:28 of moolight, then sets at 3:52 PM

Top Story

Crystal Lake Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 16, 2014; 9:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Thu. Dust & Dander

Thu. Wind Maps