• Today

    Aug 4

    81°Lo 57°

    Sunshine and delightful

    Beneficial weather for colds
    • Avg
      Temp
      69°
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      84°
  • Wed

    Aug 5

    83°Lo 62°

    Increasing clouds

    Beneficial weather for colds
    • Avg
      Temp
      73°
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      89°
    more
  • Thu

    Aug 6

    81°Lo 63°

    Mostly cloudy

    Beneficial weather for colds
    • Avg
      Temp
      72°
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      85°
    more
  • Fri

    Aug 7

    81°Lo 65°

    Periods of sun with a t-storm

    Beneficial weather for colds
    • Avg
      Temp
      73°
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      88°
    more
  • Sat

    Aug 8

    86°Lo 67°

    Partly sunny

    Beneficial weather for colds
    • Avg
      Temp
      77°
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      92°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Sunny
Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Sunny
Mostly Sunny
Temp (°F) 60° 63° 69° 73° 76° 77° 79° 80°
RealFeel® 61° 66° 72° 77° 80° 82° 83° 84°
Humidity 79% 73% 57% 51% 47% 42% 39% 39%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 4 W 4 W 5 WNW 6 WNW 8 WNW 9 WNW 10 WNW 10 WNW
UV Index 0 1 3 4 5 7 7 7
Cloud Cover 11% 3% 40% 45% 49% 18% 0% 26%
Dew Point 53° 54° 53° 54° 55° 53° 52° 53°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 81° 80° N/A 81°
Low 57° 60° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:20 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:45 PM with 13:16 of moolight, then sets at 12:01 PM

Crystal Lake Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 10:40 AM ET

The Chicagoland area will experience cooler weather throughout the week. 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.

Tue. Cold & Flu

Tue. UV Index