• Today

    Apr 21

    72°Lo 42°

    Couple of showers, t-storms

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

    Apr 22

    57°Lo 33°

    Partly sunny; breezy, cooler

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

    Apr 23

    56°Lo 40°

    Some sun, then clouds

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

    Apr 24

    66°Lo 47°

    A couple of thunderstorms

    Moderate indoor dust & dander levels
    • Precip
      61%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      88%
    more
  • Fri

    Apr 25

    61°Lo 34°

    A shower; colder in the p.m.

    Low indoor dust & dander levels
    • Precip
      40%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Mostly cloudy 54° RealFeel® 57°

N

E

S

W

  • Humidity: 71%
  • Pressure: 29.97 in
  • UV Index: 0
  • Cloud Cover: 84%
  • Ceiling: 15300 ft
  • Dew Point: 45° F
  • Visibility: 7 mi
8 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:38 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:13 AM with 10:15 of moolight, then sets at 11:28 AM

Temperature Summary - 5:05 AM

  Temp (°F)
Now 54°
Yesterday 64°
RealFeel® 57°
RealFeel® Shade 57°
Wind Chill 54°
Dew Point 45°
  Hi / Lo
Previous 6 Hours 62°
  54°
Previous 12 Hours 74°
  54°
Previous 24 Hours 75°
  46°

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 72° 59° N/A 48°
Low 42° 37° N/A 27°

Precipitation Summary - 5:05 AM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0.06
Previous 6 Hours 0.08
Previous 9 Hours 0.08
Previous 12 Hours 0.08
Previous 18 Hours 0.08
Previous 24 Hours 0.08
Top Story

Crystal Lake Weather Report

Rain Coming to Chicago with Roller Coaster Temperatures

April 21, 2014; 4:31 AM 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?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps