July 12, 2014; 8:59 AM ET
Strong thunderstorms will threaten Chicago this weekend before the city gets a taste of September. more >
Partly sunny with a shower in the afternoon
Rises at 5:42 AM with 14:38 of sunlight, then sets at 8:20 PM
Rises at 5:37 AM with 14:16 of moolight, then sets at 7:53 PM
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.