Roads were dangerously slick for morning commuters as heavy sheets of rain soaked the SoCal area before the storm began to diminish in the late-morning hours.
The pouring rain took some people off guard in the downtown Ventura area Thursday night. Groups were spotted rushing to shelter when the system moved in.
Southern California forecast: Storm expected to move quickly, get lighter through Saturday
The storm left streets in Northridge covered in puddles, as well as the 5 Freeway in Castaic, where cars kicked up pools of rain.
The storm was expected to cause snow to fall as low as 3,500 feet in the mountain areas.
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Saturday's storm will lose strength as the day goes on, but more rain is expected on Sunday, and a third storm system is on tap to move in as early as Wednesday.