Cloudy skies are in the forecast for sunday before a pacific storm system moves into arizona. Subtropical moisture ahead of the storm is pumping into the state from the south. This is producing clouds and virga, or rain that evaporates before it hits the surface, during the morning and early afternoon hours. Humidity is also increasing. By 2 p. M. Sunday, were bringing rain chances into the metro phoenix forecast. Widespread rain is likely starting sunday evening and continuing through midmorning monday. A half inch of rain is possible for valley communities, with the mountains northeast and northwest of metro phoenix possibley recieving about 1. 50 of rain. Snow levels are expected to about 6500 ft. West of flagstaff monday afternoon, and 7500 ft. East of flagstaff. The flagstaff area may recieve about one to two inches of snow monday afternoon and evening. Winter driving conditions are expected. Southwesterly winds will become breezy monday across the state. Daytime highs will also t