The system will drop 6 to 12 inches of snow in the mountains above 5,000 feet and create icy conditions on Interstate 8

The rain will continue off and on through Saturday in most parts of the county with a brief respite Wednesday, the San Diego office of the National Weather Service said.

Morning commuters were met with a soggy start to their day Thursday as heavy rain poured down across the region, requiring some drivers to navigate flooded roads and dodge water pockets.