• Today

    May 25

    84°Lo 66°

    Showers and a heavier t-storm

    Very Good for biking
    • Precip
      65%
    • Hours of Precip
      5
    • Wind
      Gust
      15 mph
    more
  • Thu

    May 26

    84°Lo 67°

    Periods of clouds and sun

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Fri

    May 27

    83°Lo 64°

    A couple of thunderstorms

    Good for biking
    • Precip
      61%
    • Hours of Precip
      6
    • Wind
      Gust
      14 mph
  • Sat

    May 28

    77°Lo 63°

    A thunderstorm in the area

    Good for biking
    • Precip
      41%
    • Hours of Precip
      4
    • Wind
      Gust
      18 mph
    more
  • Sun

    May 29

    80°Lo 60°

    A thunderstorm in the area

    Good for biking
    • Precip
      40%
    • Hours of Precip
      1
    • Wind
      Gust
      15 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Partly Cloudy
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Temp (°F) 70° 73° 75° 77° 79° 80° 79° 76°
RealFeel® 70° 77° 78° 84° 85° 86° 83° 75°
Humidity 84% 77% 83% 76% 68% 65% 63% 71%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
51%
 
43%
 
52%
 
48%
 
44%
 
44%
 
47%
 
51%
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) 8 S 10 SSW 10 SSW 10 SSW 12 SSW 12 SSW 12 SSW 12 S
UV Index 2 4 5 6 6 6 5 3
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 65° 66° 69° 69° 68° 68° 66° 66°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 83° 74° N/A 74°
Low 64° 52° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:22 AM with 14:58 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:08 AM with 10:30 of moolight, then sets at 10:38 AM

Crystal Lake Weather Report

Chicago: Warm, humid and stormy through Thursday

May 25, 2016; 7:18 AM ET

This week is likely to end up as the warmest week so far this year in the Chicago area, but the warm weather will be accompanied by stormy weather. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.