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Showers and a heavier t-storm
Some sun returning, a shower
Times of clouds and sun
Mostly sunny and nice
Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >
Aug 30, 2012; 5:00 AM ET
If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.