"The worst drought in 50 years has intensified across the US midwest, not only condemning this year's corn crop but threatening the prospects for next year's too, new figures showed on Thursday."
The current drought in the Midwest is having a much greater impact than making residents hot and uncomfortable. Farmland prices were on the rise, and the market was acting on the assumption that of good years with bountiful harvests. As a breadbasket, the drought in deepening fears of a global food crisis and greatly impacting food production with economic, energy (ethanol) and political ramifications. See this article for more on the environmental problems from drought, especially wildfires.