• Early AM

    Mar 28

    Lo 13°

    Frigid

    Asthma Weather
    • Hi
      RealFeel
      24°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Mar 28

    37°Lo 24°

    Cold with plenty of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      50°
    • UV
      5 - Moderate
    • Air Qual.
      Good
  • Sun

    Mar 29

    45°Lo 30°

    Mostly cloudy, showers around

    Beneficial weather for asthma
    • Hi
      RealFeel
      34°
    • UV
      3 - Moderate
    • Air Qual.
      Good
    more
  • Mon

    Mar 30

    53°Lo 40°

    Sunny and milder

    Beneficial weather for asthma
    • Hi
      RealFeel
      53°
    • UV
      6 - High
    • Cloud
      Cover
      4%
    more
  • Tue

    Mar 31

    60°Lo 38°

    Partly sunny and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      60°
    • UV
      5 - Moderate
    • Cloud
      Cover
      26%
    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
Cloudy
Partly Cloudy
Partly Cloudy
Mostly Clear
Clear
Clear
Sunny
Sunny
Temp (°F) 16° 15° 14° 13° 14° 16° 19° 21°
RealFeel® 16° 16° 15° 15° 16° 18° 20° 23°
Humidity 81% 82% 86% 88% 81% 71% 66% 61%
   
  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) 4 E 4 E 4 ENE 2 NE 4 NNE 4 NNE 4 NNE 4 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 73% 48% 33% 18% 6% 0% 0% 0%
Dew Point 11° 10° 10° 10° 10°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Mar 28

more Historical Weather Data >
  Today Normal Record 3/28/2014
High 37° 48° N/A 47°
Low 24° 28° N/A 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:28 of sunlight, then sets at 7:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:14 PM with 14:40 of moolight, then sets at 2:54 AM

Crystal Lake Weather Report

Chicago: Temperatures to Rebound Following Cold Start to the Weekend

March 27, 2015; 12:04 PM ET

Another surge of cold air is set to blast Chicago, bringing January-like temperatures to the area early this weekend. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sat. Air Quality

Sat. Asthma Risk

Sat. UV Index