• Today

    Sep 16

    65°Lo 42°

    Mostly sunny

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

    Sep 17

    68°Lo 45°

    Mostly sunny and pleasant

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

    Sep 18

    69°Lo 50°

    Sunshine and pleasant

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

    Sep 19

    73°Lo 59°

    Times of clouds and sun

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      46%
  • 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
Times of clouds and sun 73° Lo 66° RealFeel® 72° / 61°

N

E

S

W

  • Precipitation: 5%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 58%
  • Cloud Cover: 46%
  • Dew Point: 54° F
  • Visibility: 10 mi
10 mph

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 73° 71° N/A 81°
Low 59° 47° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:19 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:18 AM with 14:09 of moolight, then sets at 4:27 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 >

Fri. Dust & Dander

Fri. Wind Maps