• Today

    Aug 2

    89°Lo 65°

    A strong thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      16 mph
  • Mon

    Aug 3

    80°Lo 54°

    Clouds and sun; not as warm

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Aug 4

    81°Lo 58°

    Pleasant with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      9 mph
    more
  • Wed

    Aug 5

    77°Lo 61°

    A thunderstorm in spots

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      7 mph
    more
  • Thu

    Aug 6

    74°Lo 60°

    Some sun, then turning cloudy

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      10 mph
    more
Next Previous
Next 8 hours >
  Sun
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Mostly Cloudy
Temp (°F) 70° 70° 69° 69° 69° 69° 69° 70°
RealFeel® 69° 68° 67° 66° 66° 67° 63° 69°
Humidity 77% 79% 76% 78% 79% 78% 87% 85%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
7%
 
11%
 
21%
 
21%
 
26%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 7 SW 7 WSW 8 SW 8 WSW 8 SSW 8 SSW 8 SSW 9 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 70% 16% 39% 40% 49% 36% 59% 88%
Dew Point 63° 63° 62° 61° 62° 62° 65° 65°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 89° 80° N/A 80°
Low 65° 60° N/A 50°

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 9:34 PM with 12:05 of moolight, then sets at 9:39 AM

Crystal Lake Weather Report

Severe Weather to Invade Midwest on Sunday

August 2, 2015; 8:33 AM ET

A disturbance will swing across the Midwest and fire a round of severe thunderstorms to end 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index