# Corn market figures in lower yields | Illinois Extension | Illinois

> A University of Illinois economist says recent corn price volatility signals concern over the 2017 U.S. crop. Good-to-excellent ratings fell 3 percent in the July 10 report, and forecasts call for above-normal temperatures and below-normal rain across much of the Corn Belt through July 30.

- Date: 2017-07-18 · published 2017-07-18T12:00:00.000Z
- Category: weather · region US · magnitude medium
- Page: https://feedsoft.ai/events/69795-corn-market-figures-in-lower-yields-illinois-extension-illinois
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [DDGS](https://feedsoft.ai/c/DDGS.md)

## Why it matters

Heat and dryness during pollination could cut corn yields, tightening supplies and supporting corn prices. Feed buyers should expect firmer corn costs and related feed-ingredient prices if ratings keep slipping.

## Read by commodity

- CORN: bullish ▲
- DDGS: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2019-09-16 | [MARS cuts EU grain yields especially for corn market](https://feedsoft.ai/events/57025-mars-cuts-eu-grain-yields-especially-for-corn-market.md) | +3.4% | +8.3% |
| CORN | 2022-05-19 | [Late planting in Midwest could mean lower yields in fall - Marketplace](https://feedsoft.ai/events/13364-late-planting-in-midwest-could-mean-lower-yields-in-fall-marketplace.md) | -0.6% | -2.2% |
| CORN | 2026-04-29 | [When fields stay wet \| MU Extension](https://feedsoft.ai/events/13003-when-fields-stay-wet-mu-extension.md) | +0.2% | +0.3% |
| CORN | 2019-04-30 | [Excessive rainfall as damaging to corn yield as extreme heat, drought \| Around the County \| Illinois Extension \| Illinois](https://feedsoft.ai/events/58933-excessive-rainfall-as-damaging-to-corn-yield-as-extreme-heat-drought-around-the.md) | +0.9% | +8.9% |
| CORN | 2025-12-19 | [2025: Year of Extreme Weather, Corn Disease and Worry in Illinois - Field Advisor](https://feedsoft.ai/events/13033-2025-year-of-extreme-weather-corn-disease-and-worry-in-illinois-field-advisor.md) | +0.4% | -3.3% |

## Sources

- extension.illinois.edu: https://extension.illinois.edu/news-releases/corn-market-figures-lower-yields

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