• Today

    Jul 30

    87°Lo 65°

    Sunny; breezy this afternoon

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      12 mph
  • Fri

    Jul 31

    87°Lo 62°

    Sunny to partly cloudy

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      13 mph
    more
  • Sat

    Aug 1

    84°Lo 65°

    Mostly sunny and comfortable

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      10 mph
    more
  • Sun

    Aug 2

    85°Lo 68°

    Periods of sun with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      10 mph
    more
  • Mon

    Aug 3

    86°Lo 61°

    A thunderstorm possible

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      10 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Clear
Clear
Temp (°F) 87° 87° 86° 84° 82° 80° 77° 73°
RealFeel® 88° 87° 85° 83° 79° 77° 75° 71°
Humidity 38% 38% 39% 41% 44% 47% 55% 62%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
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0%
Snow
 
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Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 14 WNW 15 WNW 13 WNW 10 WNW 9 W 9 W 7 W 6 W
UV Index 6 5 3 1 0 0 0 0
Cloud Cover 10% 0% 0% 0% 0% 0% 0% 0%
Dew Point 59° 58° 58° 58° 58° 58° 60° 60°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2014
High 87° 81° N/A 71°
Low 65° 64° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:32 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:30 PM with 10:31 of moolight, then sets at 6:01 AM

Island Lake Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 30, 2015; 4:36 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. 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