• Tonight

    Apr 20

    Lo 50°

    Some clouds

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 21

    72°Lo 44°

    Couple of showers, t-storms

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Apr 22

    57°Lo 33°

    Cooler with clouds breaking

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Wed

    Apr 23

    58°Lo 38°

    Partly sunny

    Moderate indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      35%
    more
  • Thu

    Apr 24

    66°Lo 48°

    A couple of thunderstorms

    Moderate indoor dust & dander levels
    • Precip
      61%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      94%
    more
Next Previous
Clear 37° Lo 33° RealFeel® 35° / 30°

N

E

S

W

  • Precipitation: 3%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 83%
  • Cloud Cover: 8%
  • Dew Point: 30° F
  • Visibility: 10 mi
4 mph

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2013
High 57° 59° N/A 64°
Low 33° 37° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 13:40 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:58 AM with 10:38 of moolight, then sets at 12:36 PM

Top Story

Crystal Lake Weather Report

Rain Coming to Chicago with Roller Coaster Temperatures

April 20, 2014; 6:12 PM ET

A showery pattern with up-and-down temperatures is coming this week to Chicago. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Tue. Dust & Dander

Tue. Wind Maps