• Tue

    Aug 11

    78°Lo 64°

    Partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      5
    • Precip
      25%
    • Hi
      RealFeel
      79°
    more
  • Wed

    Aug 12

    76°Lo 64°

    Times of clouds and sun

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      77°
    more
  • Thu

    Aug 13

    85°Lo 63°

    A t-storm possible; warmer

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      30%
    • Hi
      RealFeel
      90°
    more
  • Fri

    Aug 14

    85°Lo 67°

    Mostly cloudy and warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      86°
  • Sat

    Aug 15

    72°Lo 61°

    Colder with a few showers

    Very Good for lawn mowing
    • Hours of Precip
      2
    • Precip
      61%
    • Hi
      RealFeel
      77°
    more
Next Previous
Hi 85° RealFeel® 86° Precipitation 25%

Day

N

E

S

W

  • S 5 mph
  • Gusts: 15 mph

Mostly cloudy and warm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 65° Precipitation 25%

Night

N

E

S

W

  • SSE 4 mph
  • Gusts: 9 mph

Overcast

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 14

more Historical Weather Data >
  Today Normal Record 8/14/2014
High 85° 80° N/A 70°
Low 67° 59° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:57 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:04 AM with 13:44 of moolight, then sets at 7:48 PM

Crystal Lake Weather Report

Chicago: Cooler Weather to Move in Midweek

August 1, 2015; 12:26 PM ET

After a warm start to the week, a trend toward cooler temperatures can be expected. 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?