• Early AM

    Aug 2

    Lo 56°

    Partly to mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      4 mph
    more
  • Today

    Aug 2

    82°Lo 58°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      3 mph
  • Sun

    Aug 3

    82°Lo 61°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      4 mph
    more
  • Mon

    Aug 4

    81°Lo 61°

    A t-storm in the afternoon

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      3 mph
    more
  • Tue

    Aug 5

    80°Lo 58°

    A thunderstorm in spots

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Partly Sunny
Temp (°F) 59° 58° 57° 56° 57° 61° 65° 69°
RealFeel® 58° 58° 57° 56° 57° 61° 67° 71°
Humidity 86% 89% 93% 93% 95% 89% 84% 74%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 2 NNW 1 NNW 1 NNW 1 NNW 1 NNW 1 N 3 N 3 N
UV Index 0 0 0 0 0 0 1 3
Cloud Cover 13% 17% 24% 31% 36% 42% 26% 45%
Dew Point 55° 55° 55° 54° 56° 58° 60° 60°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2013
High 82° 80° N/A 78°
Low 58° 60° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:25 of sunlight, then sets at 8:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:16 PM with 11:05 of moolight, then sets at 11:21 PM

Top Story

Crystal Lake Weather Report

Chicago: Showers, Thunderstorms to Linger into Next Week

August 2, 2014; 2:57 AM ET

Clouds and the chance for thunderstorms will continue to linger in the Chicago area into the weekend. 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index