UPDATE: The National Weather Service from Flagstaff has issued a Flash Flood Warning for many parts of Yavapai County, especially the Gladiator burn area. 

They are predicting possible rainfall amounts of .5 to 1.0 inches. 

NOTE: This warning has been extended to 10:30 am.

There is also a Flash Flood Watch in effect until 9 pm Saturday night. "Deep Monsoonal moisture and upper level disturbance will move through western Arizona today through this evening. Thunderstorms will be capable of producing rainfall amounts of one to two inches per hour and additional storms tracking over the same area in a short period of time may likely produce localized flash flooding. Storm movement will generally be from south to north."