# Heat wave hits crops during crucial growing period - Agweek | #1 source for agriculture news, farming, markets

> A heat wave in July pushed temperatures above average across Minnesota, North Dakota and South Dakota during soybean flowering and corn silking. Low rainfall is raising concern about yield penalties if rain does not arrive soon.

- Date: 2026-07-25 · published 2026-07-25T12:00:00.000Z
- Category: weather · region US · magnitude medium
- Page: https://feedsoft.ai/events/12982-heat-wave-hits-crops-during-crucial-growing-period-agweek-1-source-for
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Heat stress during flowering and silking can reduce soybean pod set and corn kernel count, supporting upward price pressure on both crops if dryness persists.

## Read by commodity

- SOY: bullish ▲
- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2016-07-14 | [Chicago corn hits 2-week high on U.S. crop concerns - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/4939-chicago-corn-hits-2-week-high-on-u-s-crop-concerns-agweek-1-source-for.md) | +3.9% | -0.6% |
| CORN | 2019-05-19 | [Markets finally respond to wet weather - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/5629-markets-finally-respond-to-wet-weather-agweek-1-source-for-agriculture-news.md) | +3.2% | +10.8% |
| CORN | 2022-01-21 | [The market rally after the reports - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/10893-the-market-rally-after-the-reports-agweek-1-source-for-agriculture-news-farming.md) | +1.4% | +6.9% |
| CORN | 2016-06-06 | [Soybeans rise on U.S. weather view; wheat, corn firm - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/9123-soybeans-rise-on-u-s-weather-view-wheat-corn-firm-agweek-1-source-for.md) | +2.7% | -7.0% |
| CORN | 2023-05-26 | [From too wet, to too dry, weather takes control of market direction - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/13280-from-too-wet-to-too-dry-weather-takes-control-of-market-direction-agweek-1.md) | -4.9% | +0.1% |
| SOY | 2016-07-14 | [Chicago corn hits 2-week high on U.S. crop concerns - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/4939-chicago-corn-hits-2-week-high-on-u-s-crop-concerns-agweek-1-source-for.md) | -9.0% | -9.8% |
| SOY | 2019-05-19 | [Markets finally respond to wet weather - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/5629-markets-finally-respond-to-wet-weather-agweek-1-source-for-agriculture-news.md) | +1.0% | +11.1% |
| SOY | 2022-01-21 | [The market rally after the reports - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/10893-the-market-rally-after-the-reports-agweek-1-source-for-agriculture-news-farming.md) | +1.6% | +11.7% |

## Sources

- agweek.com: https://www.agweek.com/crops/heat-wave-hits-crops-during-crucial-growing-period

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