El Niño 2026–27: What Could It Mean for the Global Wheat Market?

As El Niño strengthens across the Pacific, wheat is becoming one of the commodities to watch most closely.

The reason is not simply that El Niño can bring drought to some wheat-producing regions. Its greater significance for the global wheat market lies in the interaction between weather, production, export availability and the ability of major suppliers to compensate for losses elsewhere.

The global wheat market enters this period with substantial supplies, but the distribution of production and exportable wheat remains critical. FAO expects global cereal production in 2026/27 to remain historically high, although below recent record levels, while warning that weather developments including El Niño could create additional uncertainty.

Against this background, several major wheat-producing and exporting regions deserve particular attention.

Australia: A key El Niño watchpoint

Australia is perhaps the clearest example of why El Niño matters for wheat.

The country is a major exporter and an important supplier to Asian markets. El Niño can bring hotter and drier conditions to parts of Australia, creating risks for crop development and yields.

However, the current situation is more nuanced than a simple drought scenario.

Australia's September 2026 crop report forecasts 2026/27 wheat production at 29.9 million tonnes, down 17% from the previous season but still around 3% above the country's 10-year average. ABARES also reports that timely winter rainfall has improved conditions in many southern cropping regions.

This is an important distinction.

El Niño may increase the risk of adverse conditions, but the actual impact on wheat production will depend on the timing and distribution of rainfall throughout the growing season.

For global buyers, therefore, Australian wheat remains a market to watch rather than a confirmed supply loss.

United States: A different kind of supply pressure

The United States enters the 2026/27 wheat marketing year from a weaker production position.

USDA's August outlook puts U.S. all-wheat production at 1.531 billion bushels, the lowest level since 1970/71. The decline is largely associated with reduced wheat acreage and drought impacts on Hard Red Winter wheat in the Great Plains. U.S. wheat supplies are forecast to fall 13% from the previous year.

This means the U.S. wheat market is already facing significant supply pressure before the full effects of the strengthening El Niño become clear.

The next question is what happens to the 2027 winter wheat crop.

Weather during establishment and the subsequent growing season will be closely watched, particularly across the Southern Plains. A combination of already-reduced production and additional weather stress could further tighten supplies of specific wheat classes.

For millers, this is particularly relevant because not all wheat is interchangeable. A reduction in high-protein or specific quality classes can have a different market impact from a decline in total wheat production.

Argentina: A potential counterbalance

El Niño does not create the same conditions everywhere.

Argentina is an important example of a country that can benefit from El Niño-related weather patterns. Climate specialists have indicated that the phenomenon could support agricultural production in Argentina during the second half of 2026.

If Argentine wheat production performs well, it could provide additional export availability at a time when other origins are facing greater weather-related uncertainty.

This illustrates one of the central characteristics of El Niño:

A production risk in one region can become an opportunity for another.

The global wheat market will therefore be watching not only where crops are under pressure, but also where production conditions are improving.

The Black Sea remains critical

No global wheat analysis can ignore the Black Sea.

Russia and Ukraine remain central to international wheat trade, particularly for buyers across North Africa, the Middle East and parts of Asia.

The region's importance means that weather developments are only one part of the equation. Export policies, port infrastructure, shipping conditions and geopolitical developments can influence global wheat availability just as significantly.

Recent disruptions to Ukrainian grain exports have already affected international trade flows. At the same time, Argentina has been increasing its role in markets where Ukrainian supply has been disrupted.

This creates an increasingly interconnected market.

A smaller Australian crop, a reduced U.S. harvest or disruption in the Black Sea does not necessarily produce an immediate global shortage. Instead, buyers may shift toward alternative origins, increasing competition for exportable supplies elsewhere.

Production is only half the story

For the wheat market, the most important indicator may ultimately be exportable surplus, rather than total production.

Consider a simplified scenario:

Australia production ↓
U.S. production ↓
Black Sea exports disrupted

At the same time:

Argentina production ↑
Other exporters maintain strong crops

The global market could remain adequately supplied, but the geography of that supply would change.

That can affect freight rates, origin premiums, milling costs and purchasing strategies even without a dramatic decline in total global production.

Wheat quality may become increasingly important

There is another factor that deserves attention from the milling industry: quality.

Weather stress can influence protein content, test weight, moisture and other characteristics that determine wheat's suitability for different milling applications.

For millers, a change in the availability of a particular quality class can therefore be more important than a change in total wheat tonnage.

This could increase the importance of:

• Origin diversification
• Wheat blending
• Quality monitoring
• Forward purchasing
• Alternative supplier relationships

What should the wheat industry watch?

As the 2026/27 season develops, five indicators will be particularly important:

1. Australian rainfall and crop development
   Will favourable winter conditions continue as the El Niño strengthens?
2. U.S. winter wheat conditions
   Can the 2027 crop recover from the current production setback?
3. Argentine production
   Can favourable weather translate into stronger export availability?
4. Black Sea exports
   How will geopolitical and logistical developments affect the region's export capacity?
5. Global wheat stocks
   How much supply is available to absorb production or trade disruptions?

The key question for wheat markets

The current outlook does not point to a simple global wheat shortage caused by El Niño.

Instead, the market is entering a period in which weather risk, regional production differences and trade disruptions could increasingly interact.

The critical question is therefore not:

“Will El Niño reduce global wheat production?”

It is:

“Which wheat-exporting regions will be able to supply the world — and at what quality and cost?”

That question will become increasingly important for millers, traders, food manufacturers and wheat-importing countries as the 2026/27 crop cycle progresses.

Next in the series: Corn & Feed — how could El Niño affect the raw materials at the centre of the global feed industry?

This article is the second part of Grain Chronicle's five-part series, “El Niño 2026–27: Global Grain Market Outlook.”