• Today

    Sep 3

    88°Lo 67°

    An afternoon thunderstorm

    Good for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      55%
    • Hi
      RealFeel
      95°
  • Fri

    Sep 4

    85°Lo 67°

    Clouds and sun with a t-storm

    Good for lawn mowing
    • Hours of Precip
      2.5
    • Precip
      56%
    • Hi
      RealFeel
      96°
    more
  • Sat

    Sep 5

    87°Lo 68°

    Partly sunny, warm and humid

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      97°
    more
  • Sun

    Sep 6

    89°Lo 72°

    Partly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      15%
    • Hi
      RealFeel
      93°
    more
  • Mon

    Sep 7

    84°Lo 63°

    Mostly cloudy with a t-storm

    Fair for lawn mowing
    • Hours of Precip
      2
    • Precip
      58%
    • Hi
      RealFeel
      89°
    more
Next Previous
Partly sunny 83° RealFeel® 93°

N

E

S

W

  • Humidity: 67%
  • Pressure: 29.93 in
  • UV Index: 5
  • Cloud Cover: 30%
  • Ceiling: 26200 ft
  • Dew Point: 71° F
  • Visibility: 7 mi
8 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:04 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:42 PM with 14:28 of moolight, then sets at 1:10 PM

Temperature Summary - 12:15 PM

  Temp (°F)
Now 83°
Yesterday 81°
RealFeel® 93°
RealFeel® Shade 88°
Wind Chill 83°
Dew Point 71°
  Hi / Lo
Previous 6 Hours 83°
  70°
Previous 12 Hours 83°
  70°
Previous 24 Hours 89°
  70°

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 88° 77° N/A 80°
Low 67° 54° N/A 49°

Precipitation Summary - 12:15 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: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 10:10 AM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Thu. Overnight Freeze

Thu. Degree Days

Thu. Evapotranspiration