• Today

    Apr 17

    58°Lo 36°

    Turning cloudy and milder

    Fair for home energy
    • Avg
      RealFeel
      44°
    • Hi
      RealFeel
      56°
    • Wind
      Speed
      11 mph
  • Fri

    Apr 18

    52°Lo 31°

    Clouds giving way to some sun

    Fair for home energy
    • Avg
      RealFeel
      49°
    • Hi
      RealFeel
      58°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Apr 19

    61°Lo 44°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      10 mph
    more
  • Sun

    Apr 20

    68°Lo 49°

    Mostly cloudy with a shower

    Fair for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      9 mph
    more
  • Mon

    Apr 21

    64°Lo 53°

    Mostly cloudy, showers around

    Fair for home energy
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      66°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Showers
Cloudy
Cloudy
Temp (°F) 56° 58° 57° 56° 55° 52° 50° 48°
RealFeel® 55° 56° 55° 54° 51° 48° 46° 45°
Humidity 57% 52% 51% 51% 52% 55% 58% 63%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
14%
 
14%
 
18%
 
34%
 
37%
 
40%
 
7%
 
4%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 12 WSW 11 WSW 10 WSW 8 WSW 7 WSW 6 W 5 WNW 5 NW
UV Index 5 4 3 2 1 0 0 0
Cloud Cover 63% 68% 76% 83% 87% 91% 99% 99%
Dew Point 41° 40° 39° 38° 38° 36° 35° 36°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 58° 57° N/A 44°
Low 37° 38° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:28 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:24 PM with 10:02 of moolight, then sets at 8:26 AM

Top Story

Grayslake Weather Report

Chicago: Weekend Warmth on the Way

April 17, 2014; 1:44 PM ET

Despite a chilly Friday, seasonal warmth will return to the city right in time for the holiday weekend. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index