• Tonight

    Sep 20

    Lo 58°

    A thunderstorm in the area

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      10 mph
  • Sun

    Sep 21

    62°Lo 47°

    Clouds breaking and cooler

    Poor for home energy
    • Avg
      RealFeel
      52°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      12 mph
    more
  • Mon

    Sep 22

    65°Lo 49°

    Sunshine and patchy clouds

    Poor for home energy
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      4 mph
    more
  • Tue

    Sep 23

    70°Lo 51°

    Mostly sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      4 mph
    more
  • Wed

    Sep 24

    73°Lo 52°

    A full day of sunshine

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      6 mph
    more
Next Previous
Hi 76° RealFeel® 76° Precipitation 55%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 21 mph

More humid with more clouds than sunshine; thunderstorms can bring damaging winds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 58° RealFeel® 52° Precipitation 41%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 16 mph

Mostly cloudy with a shower or thunderstorm in the area

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.12 in
  • Rain: 0.12 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 76° 74° N/A 76°
Low 58° 54° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:16 of sunlight, then sets at 6:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:13 AM with 13:45 of moolight, then sets at 4:58 PM

Top Story

Northbrook Weather Report

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September 20, 2014; 4:28 AM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index