• Friday

    Sep 4

    86°Lo 66°

    Sunny, very warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      21%
    • Hi
      RealFeel
      93°
    more
  • Saturday

    Sep 5

    85°Lo 61°

    Lots of sun; warm and humid

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      91°
    more
  • Sunday

    Sep 6

    87°Lo 70°

    Mostly sunny and very warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      13%
    • Hi
      RealFeel
      93°
    more
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Prospect Heights Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Lawn & Garden Live Feed

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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. Degree Days

Fri. Evapotranspiration