
Winter ice and low water on the Illinois River and Middle Mississippi between St. Louis and Cairo disrupted navigation. At LaGrange Lock, about 25 boats queued on January 12 after ice stacked on dam wickets, and locking was paused for 5.5 hours on January 9.
Lock closures and reduced tow sizes slow barge movements, raising freight costs and widening basis for corn and soybeans shipped down the river.
Not enough comparable past events yet for a historical read.
After 359 past bearish logistics events, CORN moved a median -0.3% over 5 sessions (44% higher; middle half -1.5% to +1.5%), and -0.5% over 20.
After 297 past bearish logistics events, SOY moved a median +0.3% over 5 sessions (54% higher; middle half -1.5% to +1.8%), and +0.7% 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.