During the peak corn sweat season, which runs from mid-July to late-August, each acre of corn can release up to 4,000 gallons of water daily, further contributing to local humidity.

As the summer heat persists, Washington, D.C. is forecast to reach 100 degrees, potentially setting a record for the date, while Nashville may also exceed 100 degrees.

Excessive heat warnings have been issued across multiple states, including Minnesota, Iowa, and Illinois, as a significant heat wave grips the region.

Wisconsin and the upper Midwest are under excessive heat warnings, leading to school cancellations and increased health risks.

Extreme heat is the leading cause of weather-related deaths in the U.S., with approximately 1,220 fatalities attributed to heat each year, according to the CDC.

This week has seen a variety of extreme weather events across the country, including heat waves and flash floods, with Tropical Storm Hone causing heavy rainfall in Hawaii.

The current heat wave is largely driven by a high-pressure ridge that is funneling hot, humid air from the southern Gulf states into the Midwest.

Climate change is leading to warmer temperatures and increased humidity, particularly in the Midwest, where the phenomenon known as 'corn sweat' is intensified.

Midwestern states are experiencing dangerously high temperatures, with heat indices feeling over 100 degrees Fahrenheit due to high humidity levels.

Emergency medical staff have been treating individuals for heat-related illnesses at events like the Minnesota State Fair, where some required medical assistance for swollen fingers.

To combat the extreme heat, several cities, including Chicago, have opened cooling centers to provide relief for residents.

Residents are advised to stay hydrated, avoid strenuous outdoor activities, and wear light-colored clothing to mitigate the effects of the heat.