• Fri

    Sep 11

    73°Lo 58°

    Afternoon rain

    Very Good for running
    • Precip
      65%
    • Hours of Precip
      2
    • Wind
      Gust
      16 mph
    more
  • Sat

    Sep 12

    72°Lo 50°

    Mostly cloudy

    Running Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Sun

    Sep 13

    72°Lo 45°

    A.M. showers, then a shower

    Running Weather
    • Precip
      64%
    • Hours of Precip
      1.5
    • Wind
      Gust
      18 mph
  • Mon

    Sep 14

    68°Lo 50°

    Clouds and sun

    Running Weather
    • Precip
      20%
    • Hours of Precip
      0
    • Wind
      Gust
      16 mph
    more
  • Tue

    Sep 15

    68°Lo 53°

    Partial sunshine

    Running Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      22 mph
    more
Next Previous
Hi 72° RealFeel® 71° Precipitation 64%

Day

N

E

S

W

  • NE 9 mph
  • Gusts: 18 mph

Cloudy; showers in the morning followed by a shower in spots in the afternoon

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 45° RealFeel® 40° Precipitation 20%

Night

N

E

S

W

  • NE 9 mph
  • Gusts: 17 mph

Partly cloudy

  • 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 13

more Historical Weather Data >
  Today Normal Record 9/13/2014
High 72° 74° N/A 56°
Low 45° 50° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 12:36 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:49 AM with 12:29 of moolight, then sets at 7:18 PM

Crystal Lake Weather Report

Chicago: Stray Shower May Interrupt Otherwise Ideal Weekend Conditions

August 27, 2015; 4:38 PM ET

Chicago is in store for near-ideal weekend conditions after a brief shower hits the area on Saturday. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.