• Tonight

    Sep 15

    Lo 42°

    Clouds breaking; chilly

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      50°
    • Hi
      RealFeel
      60°
    • Wind
      Speed
      5 mph
  • Tue

    Sep 16

    65°Lo 42°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      4 mph
    more
  • Wed

    Sep 17

    68°Lo 46°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      4 mph
    more
  • Thu

    Sep 18

    69°Lo 50°

    Partly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      58°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      6 mph
    more
  • Fri

    Sep 19

    73°Lo 60°

    An afternoon thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      10 mph
    more
Next Previous
Hi 60° RealFeel® 60° Precipitation 50%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 14 mph

Occasional rain and drizzle

  • Max UV Index: 2 (Low)
  • Thunderstorms: 24%
  • Precipitation: 0.01 in
  • Rain: 0.01 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 42° RealFeel® 40° Precipitation 3%

Night

N

E

S

W

  • NW 4 mph
  • Gusts: 9 mph

Clouds breaking; chilly

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 15

more Historical Weather Data >
  Today Normal Record 9/15/2013
High 60° 73° N/A 56°
Low 42° 49° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 12:30 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:39 PM with 14:50 of moolight, then sets at 2:29 PM

Top Story

Mchenry Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 15, 2014; 9:18 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. 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