Please see attached.

 

By midday a synoptic low pressure system will impact the area and create Herbie conditions both at the airfield and into town.  These conditions will continue through Sunday midday, possibly even into the evening although conditions look to start improving around that time frame. Some ceilings may persist into Monday when we look at this major system finally moving out of the region. Model guidance hints at another system impacting Phoenix come Tuesday afternoon though.

 

Joey Snarski