• Today

    Aug 3

    80°Lo 56°

    Mostly sunny and less humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
  • Tue

    Aug 4

    81°Lo 59°

    Mostly sunny and delightful

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Wed

    Aug 5

    81°Lo 63°

    An afternoon shower in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Thu

    Aug 6

    79°Lo 64°

    Rather cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Fri

    Aug 7

    77°Lo 61°

    Pleasant with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Partly sunny 78° RealFeel® 79°

N

E

S

W

  • Humidity: 40%
  • Pressure: 29.85 in
  • UV Index: 4
  • Cloud Cover: 34%
  • Ceiling: 40000 ft
  • Dew Point: 52° F
  • Visibility: 10 mi
12 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:22 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:09 PM with 12:41 of moolight, then sets at 10:50 AM

Temperature Summary - 3:44 PM

  Temp (°F)
Now 78°
Yesterday 68°
RealFeel® 79°
RealFeel® Shade 74°
Wind Chill 78°
Dew Point 52°
  Hi / Lo
Previous 6 Hours 79°
  73°
Previous 12 Hours 79°
  65°
Previous 24 Hours 87°
  65°

Temperature History - Aug 3

more Historical Weather Data >
  Today Normal Record 8/3/2014
High 80° 80° N/A 82°
Low 56° 60° N/A 55°

Precipitation Summary - 3:44 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 0.1
Previous 24 Hours 0.21

Crystal Lake Weather Report

Chicago: Cooler Conditions to Last Through Week

August 3, 2015; 3:08 PM ET

The Chicagoland area will experience cooler weather throughout the week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps