Lighting has begun to strike across the area, causing at least one outage in Tacoma.
A strike caused a transformer fire in South Tacoma, and Tacoma Public Utilties said some customers are in the dark. A call to a TPU spokeswoman has not been returned. Fire crews have been kept busy with alarms going off at businesses throughout the area.
The National Weather Service is reporting a thunderstorm could last until about 11 p.m. with winds of up to 13 mph.