PHOENIX -- The first big dust storm of the monsoon season slammed the Phoenix area on Saturday with winds snapping utility poles and leaving thousands without power.

Arizona Public Service and Salt River Project, the two biggest utilities that serve metropolitan Phoenix, said Sunday that electricity had been restored to most customers.

APS initially reported outages at 14,000 homes the night before. SRP at one point had more than 15,000 customers with no power.

According to the National Weather Service, winds were up to 51 mph (82 kph) around Sky Harbor International Airport. There were also isolated showers in communities such as Globe and Carefree.

There have been no reports of serious storm-related injuries.

Meteorologists say there is potential for more intense wind Sunday afternoon and advise against driving in blowing dust.