• Tonight

    Apr 20

    Lo 50°

    Some clouds

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      10 mph
    more
  • Mon

    Apr 21

    72°Lo 44°

    Couple of showers, t-storms

    Fair for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      13 mph
    more
  • Tue

    Apr 22

    57°Lo 33°

    Cooler with clouds breaking

    Fair for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      12 mph
    more
  • Wed

    Apr 23

    58°Lo 38°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      60°
    • Wind
      Speed
      8 mph
  • Thu

    Apr 24

    66°Lo 48°

    A couple of thunderstorms

    Fair for home energy
    • Avg
      RealFeel
      50°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      12 mph
    more
Next Previous
A couple of showers 42° Lo 38° RealFeel® 34° / 28°

N

E

S

W

  • Precipitation: 67%
  • Rain: 0.2 in
  • Snow: 0 in
  • Humidity: 83%
  • Cloud Cover: 83%
  • Dew Point: 35° F
  • Visibility: 8 mi
10 mph

Temperature History - Apr 23

more Historical Weather Data >
  Today Normal Record 4/23/2013
High 58° 60° N/A 52°
Low 38° 37° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:44 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:38 AM with 11:07 of moolight, then sets at 1:45 PM

Top Story

Crystal Lake Weather Report

Rain Coming to Chicago with Roller Coaster Temperatures

April 20, 2014; 8:10 PM ET

A showery pattern with up-and-down temperatures is coming this week to 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index