• Mon

    Sep 21

    69°Lo 47°

    Periods of rain

    Lawn Mowing Weather
    • Hours of Precip
      12
    • Precip
      64%
    • Hi
      RealFeel
      68°
    more
  • Tue

    Sep 22

    68°Lo 44°

    Clouds giving way to some sun

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      71°
    more
  • Wed

    Sep 23

    67°Lo 53°

    Sunny

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      66°
  • Thu

    Sep 24

    68°Lo 53°

    Mostly cloudy

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      20%
    • Hi
      RealFeel
      71°
    more
  • Fri

    Sep 25

    67°Lo 56°

    Mostly cloudy

    Lawn Mowing Weather
    • Hours of Precip
      2.5
    • Precip
      25%
    • Hi
      RealFeel
      65°
    more
Next Previous
Hi 67° RealFeel® 66° Precipitation 10%

Day

N

E

S

W

  • N 12 mph
  • Gusts: 23 mph

Sunny

  • 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 53° RealFeel® 52° Precipitation 5%

Night

N

E

S

W

  • NNE 6 mph
  • Gusts: 13 mph

Clear

  • 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 - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2014
High 67° 70° N/A 73°
Low 53° 46° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:08 of sunlight, then sets at 6:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:54 PM with 10:31 of moolight, then sets at 2:25 AM

Crystal Lake Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 5:41 PM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. 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?