
The US National Weather Service said La Niña conditions are likely to persist from December 2025 through February 2026. La Niña typically brings cooler water temperatures and raises the chance of floods and droughts that affect crop quality and planting decisions.
Higher odds of drought in key exporting regions could tighten feed grain and soymeal supplies and support prices, especially if dryness hits South America or the southern US.
After 1,465 past bullish weather events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.4% to +1.9%), and +0.9% over 20.
After 1,079 past bullish weather events, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +2.0%), and +0.9% over 20.
After 453 past bullish weather events, Soybean Meal moved a median +0.5% over 5 sessions (55% higher; middle half -1.6% to +2.7%), and +0.5% 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.