• Today

    May 27

    78°Lo 66°

    Couple of thunderstorms

    Good for running
    • Precip
      62%
    • Hours of Precip
      4
    • Wind
      Gust
      15 mph
    more
  • Sat

    May 28

    80°Lo 66°

    A p.m. t-storm in spots

    Fair for running
    • Precip
      40%
    • Hours of Precip
      2.5
    • Wind
      Gust
      21 mph
  • Sun

    May 29

    79°Lo 59°

    An a.m. shower; partly sunny

    Fair for running
    • Precip
      40%
    • Hours of Precip
      0.5
    • Wind
      Gust
      18 mph
    more
  • Mon

    May 30

    82°Lo 59°

    A thunderstorm in spots

    Very Good for running
    • Precip
      40%
    • Hours of Precip
      0.5
    • Wind
      Gust
      9 mph
    more
  • Tue

    May 31

    80°Lo 60°

    A thunderstorm in spots

    Good for running
    • Precip
      40%
    • Hours of Precip
      3.5
    • Wind
      Gust
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
T-storms
Cloudy
Temp (°F) 69° 71° 73° 74° 76° 78° 73° 76°
RealFeel® 67° 69° 72° 73° 75° 77° 69° 77°
Humidity 73% 73% 70% 64% 62% 61% 84% 72%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
20%
 
20%
 
20%
 
20%
 
25%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 14 S 15 S 15 SSW 15 SSW 15 SSW 16 SSW 15 SSW 15 S
UV Index 1 2 2 2 2 3 2 3
Cloud Cover 95% 95% 95% 96% 98% 100% 100% 90%
Dew Point 60° 62° 63° 62° 62° 63° 68° 67°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 80° 74° N/A 81°
Low 66° 52° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:21 AM with 15:00 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:47 AM with 10:56 of moolight, then sets at 11:43 AM

Crystal Lake Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 27, 2016; 5:05 AM ET

The unofficial start of summer will feel like the upcoming season on Monday in the Chicago area. 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.