# How Current Weather Trends Are Shaping Global Grain Production - AgWeb

> Meteorologist Kevin Marcus outlined weather impacts on the US, South American and Chinese growing seasons. He noted that warm, dry September and October weather in the Midwest mirrors 2024, and that the eastern Corn Belt may have lost yield to prolonged heat with very warm nights in July and August.

- Date: 2025-10-21 · published 2025-10-21T12:00:00.000Z
- Category: weather · region Global · magnitude low
- Page: https://feedsoft.ai/events/13048-how-current-weather-trends-are-shaping-global-grain-production-agweb
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Heat-related yield losses in key corn areas tighten supply expectations, though the impact depends on final harvest results.

## Read by commodity

- SOY: neutral
- CORN: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2026-08-04 | [Grains Fall on Profit Taking, Weather, Money Flow: Cattle See Strong Chart Action - AgWeb](https://feedsoft.ai/events/12808-grains-fall-on-profit-taking-weather-money-flow-cattle-see-strong-chart-action.md) | -1.3% | +10.1% |
| CORN | 2023-08-01 | [Tough summer hits EU grain production outlook - Grain Central](https://feedsoft.ai/events/34513-tough-summer-hits-eu-grain-production-outlook-grain-central.md) | -2.3% | -2.8% |
| CORN | 2018-11-12 | [Weather pivotal in 2018 crop production - Brownfield Ag News](https://feedsoft.ai/events/61891-weather-pivotal-in-2018-crop-production-brownfield-ag-news.md) | -6.7% | +0.1% |
| CORN | 2024-01-25 | [What are the odds that extreme weather will lead to a global food shock? » Yale Climate Connections](https://feedsoft.ai/events/32042-what-are-the-odds-that-extreme-weather-will-lead-to-a-global-food-shock-yale.md) | -0.8% | -6.4% |
| CORN | 2022-09-14 | [Keeping an eye on wheat weather \| World Grain](https://feedsoft.ai/events/39520-keeping-an-eye-on-wheat-weather-world-grain.md) | -1.4% | -2.3% |
| SOY | 2026-08-04 | [Grains Fall on Profit Taking, Weather, Money Flow: Cattle See Strong Chart Action - AgWeb](https://feedsoft.ai/events/12808-grains-fall-on-profit-taking-weather-money-flow-cattle-see-strong-chart-action.md) | -0.9% | +9.1% |
| SOY | 2018-11-12 | [Weather pivotal in 2018 crop production - Brownfield Ag News](https://feedsoft.ai/events/61891-weather-pivotal-in-2018-crop-production-brownfield-ag-news.md) | +1.9% | +4.5% |
| SOY | 2024-01-25 | [What are the odds that extreme weather will lead to a global food shock? » Yale Climate Connections](https://feedsoft.ai/events/32042-what-are-the-odds-that-extreme-weather-will-lead-to-a-global-food-shock-yale.md) | -1.5% | -7.5% |

## Sources

- agweb.com: https://www.agweb.com/news/how-current-weather-trends-are-shaping-global-grain-production

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.