• Tonight

    Apr 26

    Lo 32°

    Mainly clear and cold

    Asthma Weather
    • Hi
      RealFeel
      58°
    • UV
      7 - High
    • Air Qual.
      Good
  • Mon

    Apr 27

    54°Lo 34°

    Plenty of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      55°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Tue

    Apr 28

    58°Lo 38°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      63°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Wed

    Apr 29

    63°Lo 38°

    More clouds than sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      6 - High
    • Cloud
      Cover
      70%
    more
  • Thu

    Apr 30

    60°Lo 39°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      62°
    • UV
      7 - High
    • Cloud
      Cover
      15%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Partly Cloudy
Cloudy
Cloudy
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Temp (°F) 36° 35° 34° 35° 37° 40° 44° 40°
RealFeel® 30° 30° 30° 30° 32° 35° 38° 41°
Humidity 77% 77% 76% 73% 67% 66% 57% 69%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 8 N 7 WNW 7 N 7 NNE 7 N 8 N 9 N 5 NNE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 36% 100% 100% 25% 13% 11% 11% 9%
Dew Point 29° 28° 27° 27° 27° 30° 30° 31°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 26

more Historical Weather Data >
  Today Normal Record 4/26/2014
High 57° 61° N/A 52°
Low 32° 38° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 13:51 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:53 PM with 13:49 of moolight, then sets at 2:42 AM

Crystal Lake Weather Report

Sunshine to Prevail This Week in Chicago

April 26, 2015; 7:45 PM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. 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.

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index