• Tonight

    May 4

    Lo 39°

    Mostly cloudy and chilly

    Asthma Weather
    • Hi
      RealFeel
      45°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    May 5

    63°Lo 39°

    Turning sunny; warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      69°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Fri

    May 6

    77°Lo 58°

    Mostly sunny, nice and warm

    Neutral weather for asthma
    • Hi
      RealFeel
      80°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Sat

    May 7

    64°Lo 38°

    A shower and t-storm around

    At High Risk weather for asthma
    • Hi
      RealFeel
      63°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
    more
  • Sun

    May 8

    69°Lo 48°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      72°
    • UV
      5 - High
    • Air Qual.
      Good
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Temperature History - May 8

more Historical Weather Data >
  Today Normal Record 5/8/2015
High 69° 65° N/A 77°
Low 48° 42° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:39 AM with 14:22 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:28 AM with 14:48 of moolight, then sets at 10:16 PM

Crystal Lake Weather Report

Chicago: Temperatures to soar late this week

May 4, 2016; 12:55 PM ET

Temperatures will soar into the 70s by late in the week in the Chicago area. more >

Sun. Asthma Risk

Sun. UV Index