A major storm with heavy snow and record rain that's moving through Northern California has toppled trees, closed roads and prompted evacuations in some areas after knocking out power to hundreds of thousands of people in Washington and Oregon.

Two people died in Northern California on Thursday as major storm unleashed heavy snow, record rainfall, and devastating flooding.

A powerful fall storm that delivered rain and snow to Northern California this week will continue to pummel the region and impact weather conditions this weekend as it slides toward Southern California.