But she and other officials expect the river that was bloated by heavy rains and snowmelt earlier this year to remain as such as the region heads into what is typically a wet stretch of spring. The service isn't warning of severe weather upstream either, he said.
Around 3:30 p.m., Tuesday, the temporary levee began to be breached as Davenport Police and fire were telling people to leave the area, The Quad-City Times reported.
FEMA says the Mississippi River is expected to crest Wednesday at more than 22 feet, approaching an all-time record set in 1993. The river is expected to be 12.5 feet above the flood stage, also bumping it into major flooding. Davenport Mayor Frank Klipsch said at a news conference Wednesday that the city has 9 miles (14 kilometers) of riverfront, making the prospect of a floodwall to protect all of it outlandishly expensive. The Grundy County Emergency Management Agency said the river is forecast to rise to near 24 feet.
The gauge in nearby Muscatine showed the river just under 3 feet below the July 1993 record of 25.6 feet.
The casino is located west of the Missouri River, in the heart of Omaha.
"Rounds of additional rain in Iowa and IL and a melt of snow cover from some April storms pushed the river higher since late April", Erdman added.
Two Mississippi River bridges - one at Quincy, Illinois, and another at Louisiana, Missouri, have been forced to close.
The Mississippi River crested in Davenport Wednesday night at 22.39 feet.
Additionally, the waters could rise to infiltrate the Ottawa River Rescue building. But the high water could bring a mandatory halt to river traffic, including barges.