
The Waterways Journal reported that Locks 16 and 17 on the Upper Mississippi were temporarily closed as a high-water crest moved downriver, and the Corps maintained high-water measures. Other items covered a reduced spring flood outlook for the Quad Cities and routine dredging notices.
Lock closures on the Upper Mississippi stall barge traffic from Iowa and Illinois grain origins, which can lift barge freight and push soybean and corn basis lower at upriver elevators.
Not enough comparable past events yet for a historical read.
After 284 past neutral logistics events, Corn moved a median -0.0% over 5 sessions (49% higher; middle half -1.3% to +1.4%), and -0.2% over 20.
After 230 past neutral logistics events, Soybeans moved a median +0.4% over 5 sessions (55% higher; middle half -1.4% to +2.0%), and +0.1% over 20.
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.