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A May 3 frost in southern Ohio has cut wheat yields by up to 50%, with harvest just beginning. Tar spot was reported in western Illinois, and excessive rain has delayed herbicide applications and drowned out some acres across the Midwest and Northeast.
Localized wheat losses in Ohio add modest support to wheat prices, while widespread planting delays and disease risk in corn and soybeans could trim yields and support feed grain prices.
farmprogress.comFarm Progress staffJun 29, 2026After 1,072 past bullish weather events, Wheat (SRW) moved a median +0.2% over 5 sessions (55% higher; middle half -1.4% to +2.3%), and +0.3% over 20.
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.
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.
