• Today

    Apr 20

    73°Lo 50°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      72°
    • 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
  • 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
    more
  • 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
Hi 72° RealFeel® 70° Precipitation 61%

Day

N

E

S

W

  • SW 13 mph
  • Gusts: 25 mph

Mostly cloudy, breezy and more humid with a couple of showers and a thunderstorm, mainly later

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 44° RealFeel® 32° Precipitation 25%

Night

N

E

S

W

  • NNW 13 mph
  • Gusts: 21 mph

Mainly clear and breezy

  • Max UV Index: N/A
  • Thunderstorms: 23%
  • 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 72° 59° N/A 48°
Low 44° 37° N/A 27°

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

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McHenry Weather Report

Warm Easter Day in Chicago but Rain Coming on Monday

April 20, 2014; 3:12 AM ET

It will be a partly sunny and warm Easter day across 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index