Over the last several decades, there has been a warming trend in nighttime temperatures which is slowly becoming a bigger problem for farmers in the Midwest. On very hot and dry nights, plants have significant difficulty respiring and are at a heightened risk of damage if these hot and dry nights occur over several consecutive days. Warm, dry weather has dual impact on EU crop outlook. As recently as last year, research articles published describing the impacts of drought and heat stress. In summary, the linked article explains that with warming temperatures, crops are at risk for heat stress damage.