Hundreds ordered to flee homes in Iowa City

A sign outside the Iowa Welcome Center is paritally submerged in flood water from the Mississippi River Sunday, June 15, 2008 in Burlington, Iowa. Receding water on Sunday revealed the widespread damage caused by a record flood crest, while other Iowa cities faced rivers that were still rising. Burlington is expecting a flood crest in the Mississippi River within the next couple of days. (AP Photo/Julie Jacobson)

4,000 homes evacuated amid flooding in Cedar Rapids, Iowa

"We're just kind of at God's mercy right now, so hopefully people that never prayed before this, it might be a good time to start," Linn County Sheriff Don Zeller said. "We're going to need a lot of prayers, and people are going to need a lot of patience and understanding."

4 dead, 40 injured as tornado hits Boy Scout camp

"A tornado tore through a Boy Scout camp in the remote hills of western Iowa on Wednesday, killing at least four people and injuring 40, and setting off a frantic search to reach others in the piles of debris and downed trees."