Corn sweat certainly contributes to Ohio's humidity, but it isn't the primary source, according to NWS meteorologist Matthew Campbell. Humidity and heat coming to the Ohio Valley this week are due to "large-scale weather patterns," according to Campbell.

Hot and humid conditions in the Midwest will be exacerbated this week by what experts describe as a “corn sweat.”

The summer months can be downright brutal as temperatures soar and humidity rises, but it can be even worse in the Midwest thanks to an unusual phenomenon known simply as "corn sweat."

While the humidity is low in Central Ohio today, you're probably seeing stories on your news feed about corn sweat impacting the Midwest.

Corn, soybeans, and other crops release moisture into the air as temperatures soar—this phenomenon is known as corn sweat, according to Scientific American. Corn sweat is also scientifically ...

It is “corn sweat” season. The biggest U.S. crop does influence our weather here in Michigan and across the Midwest. All plants drink up moisture from the soil and then breathe some of it out in a process called transpiration. The transpiration puts water vapor in the air and increases the humidity.