NWS Forecast Office Phoenix, AZ

A similar pattern in thunderstorm development is anticipated this afternoon, with storms initially forming in the typically favored Northern and Eastern AZ high terrain as well as portions of Southeast AZ. There is once again a low chance for a few strong to severe, isolated afternoon T-storms to form in Southeast CA (Imperial County, Central Riverside County). Although a strong outflow boundary could trigger lower deserts storms across South-Central AZ during the evening, it is more likely that lower desert showers & storms will form during the overnight period into Wednesday morning.