• Today

    Apr 19

    63°Lo 43°

    Mostly sunny

    Fair for home energy
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      64°
    • Wind
      Speed
      9 mph
    more
  • Sun

    Apr 20

    73°Lo 52°

    Partly sunny and warmer

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      9 mph
    more
  • Mon

    Apr 21

    70°Lo 46°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      7 mph
  • Tue

    Apr 22

    56°Lo 35°

    Cooler; a morning shower

    Fair for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      53°
    • Wind
      Speed
      12 mph
    more
  • Wed

    Apr 23

    56°Lo 42°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      60°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 70° RealFeel® 69° Precipitation 63%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 12 mph

Mostly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.38 in
  • Rain: 0.38 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 46° RealFeel® 37° Precipitation 25%

Night

N

E

S

W

  • NNW 8 mph
  • Gusts: 13 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 13%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 70° 58° N/A 45°
Low 46° 40° N/A 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:38 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:13 AM with 10:14 of moolight, then sets at 11:27 AM

Top Story

Island Lake Weather Report

Chicago: Weekend Warmth on the Way

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Seasonal warmth looks to make a return to Chicago right in time for the holiday weekend. more >

Energy Efficient Lightbulbs and S.A.D

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Mon. Degree Days

Mon. UV Index