Tropical Storm Hilary isn’t going to make it to Arizona. But, we will get a fresh shot of monsoonal flow out of the south. I don’t think we will see large amounts over the Northland. We could see strong thunderstorms and all their elements; wind, hail, etc.
Next up is cooler temperatures and a break from the recent, highly nice, unseasonably warm temperatures. The look out for the next two weeks has turned to colder forecasts. The National Weather Service has posted a nice slide today discussing the threat of frost and the average date of frost for multiple locations in Northern Arizona. We are clearly in the zone. Here is my post on Fall Freeze Probabilities.
Also, somewhere over the horizon another storm system will brush Arizona. But, this doesn’t look like the long-term trend. Unfortunately,a mostly dry, winter weather pattern could be taking a set.