• Today

    Feb 7

    42°Lo 25°

    Mostly cloudy and breezy

    Good for home energy
    • Avg
      RealFeel
      24°
    • Hi
      RealFeel
      33°
    • Wind
      Speed
      15 mph
  • Mon

    Feb 8

    30°Lo 19°

    Cloudy, a bit of snow; colder

    Very Good for home energy
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      18°
    • Wind
      Speed
      13 mph
    more
  • Tue

    Feb 9

    21°Lo 6°

    Colder with a little snow

    Very Good for home energy
    • Avg
      RealFeel
      -4°
    • Hi
      RealFeel
    • Wind
      Speed
      15 mph
    more
  • Wed

    Feb 10

    14°Lo 3°

    Very cold with clouds and sun

    Excellent for home energy
    • Avg
      RealFeel
      -5°
    • Hi
      RealFeel
      -4°
    • Wind
      Speed
      14 mph
    more
  • Thu

    Feb 11

    19°Lo 6°

    Sunshine and frigid

    Very Good for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      11°
    • Wind
      Speed
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 35° 36° 38° 40° 41° 42° 42° 42°
RealFeel® 23° 25° 29° 31° 33° 33° 33° 32°
Humidity 78% 78% 75% 70% 67% 68% 68% 67%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 14 SSW 15 SW 15 SW 16 W 16 SW 16 SW 16 WSW 16 WSW
UV Index 0 1 2 2 2 2 2 1
Cloud Cover 86% 69% 58% 51% 60% 57% 59% 64%
Dew Point 29° 30° 31° 31° 31° 32° 33° 32°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Feb 7

more Historical Weather Data >
  Today Normal Record 2/7/2015
High 42° 29° N/A 40°
Low 25° 12° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:00 AM with 10:15 of sunlight, then sets at 5:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:04 AM with 10:29 of moolight, then sets at 4:33 PM

Crystal Lake Weather Report

Wintry travel to spread across midwestern US through Monday

February 7, 2016; 4:49 PM ET

As the first of several waves of arctic air sweep southeastward across the Midwest, just enough snow will occur to cause slippery travel over a broad area into Monday. more >

Saving Energy Can Help Save the Planet From Climate Change

Sep 6, 2012; 5:00 AM ET Even though the climate may be changing, there are still ways to help reduce greenhouse gases. Valerie Smock has more on how to do it.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index