July 12, 2014; 8:59 AM ET
Strong thunderstorms will threaten Chicago this weekend before the city gets a taste of September. more >
Heavy rain and a t-storm in the morning; cloudy, a t-storm in the p.m.; watch for flash flooding
Mostly cloudy, a strong t-storm; humid; storms can bring downpours, large hail and damaging winds
Rises at 5:27 AM with 15:01 of sunlight, then sets at 8:28 PM
Rises at 8:27 PM with 10:34 of moolight, then sets at 7:01 AM
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.