• Friday

    Jul 25

    77°Lo 65°

    Thundershower

    Excellent for lawn mowing
    • Hours of Precip
      4.5
    • Precip
      55%
    • Hi
      RealFeel
      79°
    more
  • Saturday

    Jul 26

    82°Lo 65°

    Partly sunny with a t-storm

    Poor for lawn mowing
    • Hours of Precip
      5
    • Precip
      57%
    • Hi
      RealFeel
      82°
    more
  • Sunday

    Jul 27

    83°Lo 63°

    Variable clouds, a t-storm

    Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      56%
    • Hi
      RealFeel
      87°
    more
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Vernon Hills Weather Report

Chicago: High Humidity, Severe Weather Threat Ahead

July 22, 2014; 12:17 PM ET

Cooler air will persist across the Chicago area into the weekend but temperatures will spike into next week. more >

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Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Fri. Overnight Freeze

Fri. Degree Days

Fri. Evapotranspiration