• Today

    Oct 21

    51°Lo 35°

    Times of sun and clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      44°
    • UV
      2 - Low
    • Air Qual.
      Good
  • Wed

    Oct 22

    56°Lo 36°

    Plenty of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      59°
    • UV
      3 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    Oct 23

    56°Lo 45°

    An afternoon shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      53°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Fri

    Oct 24

    63°Lo 45°

    Pleasant and warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      3 - Moderate
    • Cloud
      Cover
      38%
    more
  • Sat

    Oct 25

    68°Lo 44°

    Warm with periods of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      66°
    • UV
      3 - Moderate
    • Cloud
      Cover
      46%
    more
Next Previous
Clouds and sun 48° RealFeel® 40°

N

E

S

W

  • Humidity: 64%
  • Pressure: 30.21 in
  • UV Index: 0
  • Cloud Cover: 60%
  • Ceiling: 13096 ft
  • Dew Point: 36° F
  • Visibility: 10 mi
12 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:13 AM with 10:49 of sunlight, then sets at 6:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:55 AM with 12:02 of moolight, then sets at 4:57 PM

Temperature Summary - 5:31 PM

  Temp (°F)
Now 48°
Yesterday 39°
RealFeel® 40°
RealFeel® Shade 40°
Wind Chill 43°
Dew Point 36°
  Hi / Lo
Previous 6 Hours 51°
  48°
Previous 12 Hours 51°
  42°
Previous 24 Hours 55°
  42°

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 51° 58° N/A 48°
Low 35° 36° N/A 26°

Precipitation Summary - 5:31 PM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0

Crystal Lake Weather Report

Chicago: Temperatures to Gradually Rise Into the Weekend

October 21, 2014; 4:55 PM ET

Temperatures will gradually rise into the weekend in Chicago. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Tue. Air Quality

Tue. Asthma Risk

Tue. UV Index