Monsoon rain showers and thunderstorms have been falling across the Southwest this week, especially across Arizona.

All of the rain has led to flooded homes, roads and a muddy mess.

RELATED: Storm Shield app provides life-saving weather alerts
RELATED: RadarCast can tell you when it's about to rain at your location

The state of Arizona receives an average of a little more than a foot of rain over the course of a year, and a lot of that occurs during the monsoon season.

The monsoon season is an especially wet time of year when rain is more common, usually beginning in mid to late June and lasting through the end of September.

Follow Storm Shield Meteorologist Jason Meyersvia the Storm Shield appon Twitter, Facebook, and YouTube. Download the Storm Shield Weather Radio App for your iPhone or Android device and get severe weather alerts wherever you are. Named by Time.com one of the best weather apps for your iPhone.