The summer monsoon, once a reliable and predictable phenomenon, is undergoing unsettling transformations due to climate ...

Arizona's monsoon season brings epic lightning and thunderstorms. Here's everything you need to know to keep you and your family safe from lightning.

With so many records to keep track of amid a record-breaking summer, here are the most important numbers to know.

The local business of more than 40 years had to temporarily close their doors for several months to repair monsoon damage from July.

Meteorologists attribute Arizona’s hot summer to weather patterns, a dry monsoon, climate change and Phoenix’s urban heat island — a phenomenon where roads, buildings and infrastructure ...