The start of October is bringing little relief to parts of the western United States, where 36 million people are under heat alerts and sweltering temperatures are setting records into the fall.
Excessive heat warnings are in place in Arizona, California and Nevada, where high temperatures are expected to be 10 to 25 degrees Fahrenheit hotter than normal.
On Tuesday, Phoenix reached 113 F, making it the hottest October day in the city’s recorded history. Before this week, Phoenix had never recorded a high temperature over 110 F in the month of October…