Persistent rains since late winter have led to three rounds of flooding on the Mississippi since April.
Illinois transit advocates want to tie a tax on gasoline to the price at the pump.
The waterway has crested from Iowa through southern Missouri and Illinois, but it remained above flood stage at many spots Monday.
Barges were given the green light Thursday to start using a portion of the Mississippi River that was shut down because of high water levels.
Missouri Senator Roy Blunt says the federal government has gotten too preoccupied with habitat restoration, instead of flood control.
The National Weather Service says there are multiple spots of potential failures along that levee between Portage Des Sioux and West Alton.
Forecasts call for the river to crest Tuesday at 34.5 feet, nearly four feet higher than April’s crest, but lower than earlier predictions.
The United States Coast Guard has restricted traffic on an upper potion of the Mississippi River just north of the St. Louis Harbor, Monday.
Mississippi River to crest in Grafton Monday, Alton Tuesday.
After a pump failure last month, the Metropolitan Sewer District says the pumps fixed and ready to go if it floods this weekend.