Spring conditions will prevail Wed ahead of the next storm system which will bring showers from Wed PM to Fri PM. Rain will fall up to ski resort summits initially, then a cold front will move through gradually lowering snow levels Thu & Fri, down to mid-mtn at most resorts. The pattern heading into early April looks unsettled with cooler temps & snow potential.
Unseasonably warm conditions exist in the west. Later this week, a cold front will move into the PNW and Sierra, bringing some snowfall back. Interior BC might be chaseable as well. Cold air tracks from the Sierra to the northern Rockies over the weekend while it stays warmer in the central and southern regions. Snow will return to the west with the colder air. The extended forecast might be deep!
A couple of nice days of spring in the West will turn to a stormy pattern with several rounds of snow through next week. Cold northwest flow will bring good powder conditions through many Western U.S. states. In the East, active storms will take a northerly track and bring rain, confining cold air and snow to the northern tiers.