July 22, 2014; 12:17 PM ET
Cooler air will persist across the Chicago area into the weekend but temperatures will spike into next week. more >
Mostly cloudy with a shower or thunderstorm around, mainly later
Considerable cloudiness with a couple of thunderstorms around
Rises at 5:40 AM with 14:39 of sunlight, then sets at 8:19 PM
Rises at 4:40 AM with 14:35 of moolight, then sets at 7:15 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.