• Friday

    May 2

    54°Lo 40°

    Variable clouds with a shower

    Excellent for stargazing
    • Cloud
      Cover
      1%
    • Precip
      4%
    • Hours of Precip
      1
    more
  • Saturday

    May 3

    58°Lo 44°

    Increasing cloudiness

    Poor for stargazing
    • Cloud
      Cover
      79%
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sunday

    May 4

    60°Lo 43°

    Overcast

    Poor for stargazing
    • Cloud
      Cover
      89%
    • Precip
      100%
    • Hours of Precip
      7
    more
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Chicago Weather Report

Rain Coming to Chicago with Roller Coaster Temperatures

April 20, 2014; 8:10 PM ET

A showery pattern with up-and-down temperatures is coming this week to Chicago. more >

Astronomy Live Feed

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Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.