It's so hot you can grill burgers on your dashboard: Historic heat wave sweeps across much of US

A historic heat wave in the West was forecast to roll eastward this week after Phoenix, Las Vegas and Denver joined a plethora of cities and towns posting record temperatures and more than 50 million Americans sweltered under heat advisories.

Temperatures in California’s Death Valley climbed above 120 degrees while in Phoenix a man grilled burgers and baked a cake on his dashboard. Parts of Missouri, Kansas, Louisiana and Mississippi also faced weekend advisories, according to the National Weather Service.