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The Australian Department of Agriculture's weekly update reports low-pressure systems brought 10-50 mm of rain to eastern and central cropping areas in the week to 20 May 2026, while Western Australia and northern Queensland stayed dry. Rain is forecast for parts of the south-east and west over the following eight days.
The update also notes USDA revised global grain production upward in April.
Timely moisture in the south-east supports the Australian crop, while dryness in Western Australia and northern Queensland could cut yields and tighten supply. The upward global revision is mildly bearish for grain prices.
agriculture.gov.auMay 21, 2026After 224 past neutral weather events, Wheat (SRW) moved a median -0.1% over 5 sessions (46% higher; middle half -1.4% to +1.5%), and +0.4% over 20.
Not enough comparable past events yet for a historical read.
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.
