• Friday

    Jul 25

    76°Lo 66°

    Partly sunny with a t-storm

    Poor for stargazing
    • Cloud
      Cover
      97%
    • Precip
      80%
    • Hours of Precip
      7.5
    more
  • Saturday

    Jul 26

    82°Lo 64°

    A couple of thunderstorms

    Excellent for stargazing
    • Cloud
      Cover
      6%
    • Precip
      15%
    • Hours of Precip
      2.5
    more
  • Sunday

    Jul 27

    84°Lo 62°

    Mostly cloudy with a t-storm

    Very Good for stargazing
    • Cloud
      Cover
      30%
    • Precip
      55%
    • Hours of Precip
      3
    more
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Ottawa Weather Report

Chicago: High Humidity, Severe Weather Threat Ahead

July 22, 2014; 2:17 AM ET

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

Fri. Stargazing