• Today

    Jul 31

    88°Lo 65°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      14 mph
    more
  • Sat

    Aug 1

    86°Lo 67°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      10 mph
    more
  • Sun

    Aug 2

    85°Lo 69°

    Clouds and sun with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      13 mph
    more
  • Mon

    Aug 3

    85°Lo 64°

    A morning t-storm in spots

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      9 mph
  • Tue

    Aug 4

    81°Lo 62°

    Partly sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 85° RealFeel® 89° Precipitation 42%

Day

N

E

S

W

  • NW 9 mph
  • Gusts: 15 mph

A morning shower or thunderstorm in spots; otherwise, intervals of clouds and sunshine

  • Max UV Index: 7 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 64° RealFeel® 63° Precipitation 13%

Night

N

E

S

W

  • WSW 6 mph
  • Gusts: 9 mph

Patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 3

more Historical Weather Data >
  Today Normal Record 8/3/2014
High 85° 83° N/A 87°
Low 64° 64° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:22 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:08 PM with 12:41 of moolight, then sets at 10:49 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index