• Friday

    Apr 24

    63°Lo 41°

    Sun giving way to clouds

    Excellent for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      5%
    • Hi
      RealFeel
      71°
    more
  • Saturday

    Apr 25

    52°Lo 34°

    Cooler with periods of rain

    Poor for lawn mowing
    • Hours of Precip
      3
    • Precip
      65%
    • Hi
      RealFeel
      49°
    more
  • Sunday

    Apr 26

    61°Lo 39°

    Times of clouds and sun

    Very Good for lawn mowing
    • Hours of Precip
      2
    • Precip
      9%
    • Hi
      RealFeel
      68°
    more
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Ottawa Weather Report

Chicago: Temperatures to Plummet After Extended Warm Spell

April 21, 2015; 3:17 PM ET

After a two-week stretch of above-normal temperatures, Chicago is set to fall into a chilly pattern into late this week. 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