• Friday

    Jul 25

    85°Lo 64°

    Strong afternoon t-storms

    Frizz Forecast
    Weather
    • Wind
      Gust
      13 mph
    • Precip
      65%
    • Hours of Precip
      5
    more
  • Saturday

    Jul 26

    79°Lo 60°

    Sunlit and less humid

    Frizz Forecast
    Weather
    • Wind
      Gust
      24 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 27

    76°Lo 56°

    Considerable cloudiness

    Frizz Forecast
    Weather
    • Wind
      Gust
      8 mph
    • Precip
      15%
    • Hours of Precip
      0
    more
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Marengo Weather Report

Taste of September Coming to Chicago

July 13, 2014; 9:00 PM ET

An early taste of September will dominate weather headlines around Chicago this week. more >

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The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.