Wary eye on skies in towns hit by deadly twisters

Emergency responders work to clear debris in a neighborhood in Harrisburg, Ill., after an early morning tornado Wednesday, Feb. 29, 2012. At least six people died in Harrisburg in the pre-dawn tornado. (AP Photo/Stephen Lance Dennee)

March 2, 2012 6:00:41 AM PST
Kera Wise picked through the fragments of her aunt and uncle's tornado-ruined home with a determined hustle under clear skies that weather forecasters warned could again turn dark and dangerous.