A powerful conveyor belt of Pacific moisture is set to slam into the West Coast late this week, bringing heavy rain, high winds, and mountain snow.
Moisture streaming inland from the Pacific will soak California, Oregon and Washington, then push east into the Rockies.
A weak ridge encroached into the region to start the week, said meteorologist Steve Reedy of the National Weather Service — enough to bring partly sunny weather with highs of 60 degrees, but not enough to clear out the clouds and rain entirely…