PHOENIX, AZ – A powerful Pacific storm system is expected to bring heavy rain, thunderstorms and a growing risk of flash flooding across parts of Arizona Wednesday, October 21, and Thursday, October 22. Residents in the Phoenix metropolitan area and surrounding communities could face flooded roads, hazardous travel and isolated strong storms.
According to the National Weather Service in Phoenix, a strong low-pressure system will move into the region midweek, producing multiple rounds of showers and thunderstorms across south-central and eastern Arizona.
Forecasters expect rainfall totals between 0.25 and 1 inch across the lower deserts, with higher terrain potentially receiving 1 to 2.5 inches through Thursday…