
Iowa State's outlook for winter 2019-2020 notes NOAA's CPC forecasts with neutral ENSO, giving equal chances for temperature in the Upper Midwest and a slight tilt toward wetter conditions in Iowa. The article says the winter storm track depends on the Arctic Oscillation, which cannot be forecast more than a few weeks ahead.
Uncertain winter weather in the Midwest adds modest risk to feedlot and transport costs and to next spring's planting outlook, but the signal is weak.
After 445 past neutral weather events, Corn moved a median +0.1% over 5 sessions (52% higher; middle half -1.4% to +1.6%), and +0.7% over 20.
After 20 past neutral weather events, Live Cattle moved a median +0.4% over 5 sessions (60% higher; middle half -0.3% to +1.2%), and +3.0% 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.