• Today

    Sep 1

    88°Lo 69°

    Fog, humid in the a.m.; hazy

    Beneficial weather for colds
    • Avg
      Temp
      79°
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      95°
    more
  • Wed

    Sep 2

    89°Lo 68°

    Fog in the a.m.; partly sunny

    Beneficial weather for colds
    • Avg
      Temp
      79°
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      94°
  • Thu

    Sep 3

    88°Lo 66°

    Mostly sunny, warm and humid

    Beneficial weather for colds
    • Avg
      Temp
      77°
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      98°
    more
  • Fri

    Sep 4

    88°Lo 66°

    Mostly sunny, warm and humid

    Beneficial weather for colds
    • Avg
      Temp
      77°
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      97°
    more
  • Sat

    Sep 5

    86°Lo 62°

    Mostly sunny, warm and humid

    Beneficial weather for colds
    • Avg
      Temp
      74°
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      95°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
5pm
6pm 7pm 8pm 9pm 10pm 11pm Thu
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 87° 85° 82° 79° 77° 74° 73° 72°
RealFeel® 90° 87° 83° 79° 78° 76° 73° 73°
Humidity 52% 56% 59% 63% 70% 75% 78% 82%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
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%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 6 W 5 W 4 W 4 W 4 ENE 4 E 4 ESE 4 SE
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 48% 23% 10% 26% 45% 45% 45% 33%
Dew Point 67° 67° 66° 65° 66° 66° 65° 66°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 89° 78° N/A 77°
Low 68° 55° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:07 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:00 PM with 14:05 of moolight, then sets at 12:05 PM

Crystal Lake Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Natural Ways To Combat Colds and Flu

Nov 30, 2012; 5:00 AM ET Flu season is here and will stick around until May. Here are a few natural remedies to ease pain and suffering.

Wed. Cold & Flu

Wed. UV Index