Rain yestereday combined with heavy rain today should cause some large wet slab avalnches. These types of slides are hard to forecast, but we know they are often triggered by small, wet loose avalanches.
Some wet slabs may break less than a foot deep on all aspects within several different ice crust and snow layers that formed during the last week. Check out these layers in the photo below.
Some wet slabs may break much deeper on buried faceted layers. These layers gained a lot of strength and the snowpack was mostly frozen and strong after rain on March 22 followed by very cold temperatures. Despite this increase in strength, water percolating through the snowpack could awaken these layers and cause wet slab avalanches to break 3-5 feet deep mostly on NW, N and NE aspects where these faceted layers have existed for most of the season. Check out this video from the Sawtooth Avalanche Center in Idaho showing what kind of damage wet slabs can do.
HEADS UP - Wet slab avalanches may be hard to predict, but we know they have the ability to run very far downhill, often much further than you'd ever expect.