• Sun

    May 17

    75°Lo 59°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      4 mph
    more
  • Mon

    May 18

    76°Lo 48°

    Mainly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      7 mph
    more
  • Tue

    May 19

    67°Lo 47°

    Brilliant sunshine

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      6 mph
    more
  • Wed

    May 20

    69°Lo 50°

    Sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      4 mph
  • Thu

    May 21

    69°Lo 55°

    Cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      8 mph
    more
Next Previous
Hi 69° RealFeel® 77° Precipitation 20%

Day

N

E

S

W

  • ESE 4 mph
  • Gusts: 10 mph

Sunny

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 50° Precipitation 25%

Night

N

E

S

W

  • SE 5 mph
  • Gusts: 7 mph

Increasing cloudiness

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

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2014
High 69° 72° N/A 86°
Low 50° 51° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

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

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:50 AM with 14:49 of moolight, then sets at 10:39 PM

Dundee Weather Report

Sunshine to Prevail This Week in Chicago

April 27, 2015; 10:50 AM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. 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.