High Quality Content by WIKIPEDIA articles! The 2007 western North American heat wave was a record-breaking event that began in late June 2007. The heat stretched from Mexico to Alberta, Saskatchewan, Manitoba and into northwestern Ontario. The record heat has exacerbated already present record-breaking drought conditions in much of the Western U. S., allowing fires to grow to record-breaking sizes. The combination of conditions forced major freeway closures, animal and human deaths, evacuations,... Mehr