# Effects of Heat Stress on Corn

> After an early planting start, a warm, wet May was followed by a heat wave in the Midwest. The article explains that corn's heat tolerance depends mainly on soil moisture and root health, with heat most damaging near pollination.

- Date: 2025-06-01 · published 2025-06-01T12:00:00.000Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/13092-effects-of-heat-stress-on-corn
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

Heat stress during pollination would threaten yields, but the impact depends on water supply, so the price signal is modest unless dryness spreads.

## Read by commodity

- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2020-07-21 | [Heat stresses corn](https://feedsoft.ai/events/51956-heat-stresses-corn.md) | -0.3% | +2.6% |
| CORN | 2017-07-11 | [Heat stress on its way \| UT Crops News](https://feedsoft.ai/events/69812-heat-stress-on-its-way-ut-crops-news.md) | -4.3% | -4.6% |
| CORN | 2023-07-27 | [How Extreme Heat Can Affect Corn Yield](https://feedsoft.ai/events/13265-how-extreme-heat-can-affect-corn-yield.md) | -13.2% | -14.2% |
| CORN | 2025-06-23 | [How Will the Early-Summer Heat Wave Affect Corn?](https://feedsoft.ai/events/13082-how-will-the-early-summer-heat-wave-affect-corn.md) | -1.5% | -3.7% |
| CORN | 2018-07-17 | [Heat Affects Crop Ratings](https://feedsoft.ai/events/63866-heat-affects-crop-ratings.md) | -0.7% | -0.1% |

## Sources

- agriculture.com: https://www.agriculture.com/effects-of-heat-stress-on-corn-8667134

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