It has been a dry and mostly partly sunny day across the Valley, but widespread showers and thunderstorms are moving northward across the High Country, and some storms are causing flooding in southern Arizona.

A monsoon storm hit Arizona on Wednesday night, causing power outages for thousands. The storm began in the Deer Valley area before moving southwest, hitting central Phoenix, Tolleson and Avondale, according to local outlet Arizona's Family.

Lightning struck a palm tree in a Phoenix neighborhood Aug. 13 causing it to catch fire. What to know about the weather for the rest of the week.