Is El Niño the only factor driving summer corn belt weather?

(CORN) (WEAT) (SOYB) 

(ZCU26) (ZWU26) (KEU26) (SOYB) (DBA) (TAGS) 

“Is El Niño the only factor driving summer corn belt weather?”

Collage Images designed by Best Weather, Inc., rendered by ChatGPT

by Jim Roemer - Meteorologist - Commodity Trading Advisor - Principal, Best Weather Inc. & Climate Predict - Publisher, Weather Wealth Newsletter and Climatelligence

Scott Mathews - Editor and Co-Producer of Climatelligence

• July 10, 2026

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The following 40 minute interview on Iowa’s PBS farming/ag program (Market to Market) was recorded on June 29th. To view podcast, please click this link: https://www.bestweatherinc.com/weather/the-climatic-factors-that-will-influence-summer-corn-soybean-weather-and-crop-yields/

This was prior to the recent small weather scare in corn and soybeans on big time heat next week from Kansas to Iowa and South Dakota. The video depicts how, 10 days ago,  I discussed:

• A) How the worst drought to global corn crops is presently in Western Europe. Yield reductions will come down at least 5-10%. This will help corn exports from the U.S. after the U.S. harvest. Especially if China has some El Niño related crop issues.
• B) While it will turn hot in the western corn belt, any long standing consistent heat is not in the cards due to a combination of various teleconnections
• C) Is it La Niña or El Niño that usually affects South American grain production? What is needed from a weather perspective only to really get a major bull market in corn and soybeans.

You can also download our new Weather and Commodity app—Climatelligence, here: (Click to Substack)
 

Remember, when trading commodities, always apply risk management, such as stop-loss orders and position sizing, and consider using spreads to isolate the seasonal component of a particular market move.

We greatly appreciate your interest in Commodity Weather Intelligence!

Jim Roemer, Scott Mathews, and the BestWeather Team

Mr. Roemer owns Best Weather Inc., offering weather-related blogs for commodity traders and farmers. He is also a co-founder of Climate Predict, a detailed long-range global weather forecast tool. As one of the first meteorologists to become an NFA-registered Commodity Trading Advisor, he has worked with major hedge funds, Midwest farmers, and individual traders for over 35 years. With a special emphasis on interpreting market psychology, coupled with his short-term and long-term trend forecasting in grains, softs, and energy markets, he holds a unique standing among advisors in the commodity risk management industry.