
The U.S. Coast Guard closed the Mississippi River near St. Louis to all boat and barge traffic between river mile markers 179 and 184 as floodwaters pushed the river to near-record levels. The St. Louis gauge was forecast to rise to 42.5 feet, about 7 feet below the 1993 record.
Officials expected levels to recede over two weeks, though further rain could change that outlook.
Closing a key grain shipping artery halts barge movements of corn, soybeans and wheat out of the Midwest, tightening nearby cash supply and lifting barge freight costs.
Not enough comparable past events yet for a historical read.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.