• Early AM

    Jul 31

    Lo 68°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      8 mph
    more
  • Today

    Jul 31

    88°Lo 64°

    Mostly sunny and warm

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      8 mph
  • Sat

    Aug 1

    85°Lo 66°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      9 mph
    more
  • Sun

    Aug 2

    85°Lo 68°

    Clouds and sun with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Aug 3

    87°Lo 63°

    A thunderstorm in the area

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
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  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 70° 69° 68° 69° 70° 73° 77° 81°
RealFeel® 67° 66° 65° 66° 68° 73° 78° 83°
Humidity 68% 71% 73% 75% 74% 68% 58% 52%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
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Snow
 
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Ice
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 8 WNW 7 WNW 7 W 8 W 8 W 8 WSW 9 WSW 10 WSW
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 10% 10% 10% 10% 10% 9% 10% 10%
Dew Point 58° 59° 59° 61° 61° 62° 61° 62°
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 - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 88° 83° 99° (2006) 84°
Low 64° 64° 51° (1984) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:28 of sunlight, then sets at 8:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:13 PM with 10:59 of moolight, then sets at 7:12 AM

Prospect Heights Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 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.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index