A low-pressure system moving across the state through Wednesday was expected to bring scattered showers to the Valley and snow in the north. Rainfall hit the north and northwest edges of the Valley before noon on Monday, but no measurable showers hit Phoenix Sky Harbor International Airport, where the office records weather, Worley said.

The last few months brought record heat and a lack of precipitation to the area. Now, a winter storm could bring as much as eight-inches of snow to some parts of Northern Arizona.