• Today

    Jul 31

    85°Lo 60°

    Sunny to partly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      86°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Sat

    Aug 1

    84°Lo 64°

    Beautiful with sunshine

    Neutral weather for asthma
    • Hi
      RealFeel
      86°
    • UV
      5 - High
    • Air Qual.
      Good
  • Sun

    Aug 2

    84°Lo 67°

    Partly sunny with a t-storm

    At High Risk weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Mon

    Aug 3

    84°Lo 60°

    A morning t-storm in spots

    Neutral weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Tue

    Aug 4

    81°Lo 60°

    Delightful with some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      85°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Temp (°F) 64° 62° 61° 61° 60° 61° 63° 66°
RealFeel® 62° 60° 59° 59° 58° 59° 61° 66°
Humidity 76% 75% 75% 78% 80% 85% 82% 76%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 7 W 7 W 7 W 7 WSW 7 WSW 7 W 7 W 8 W
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 8%
Dew Point 56° 54° 54° 54° 54° 57° 57° 58°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 84° 80° N/A 81°
Low 64° 60° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:27 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:55 PM with 11:31 of moolight, then sets at 8:26 AM

Crystal Lake Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sat. Air Quality

Sat. Asthma Risk

Sat. UV Index