The Forest Service just released an update on the climbing conditions from St. Helens; it looks like climbers will be using the winter route for another month or so. Current conditions, from the post
The full details are available here.
Climbers should expect spring conditions on Mount St. Helens. Snow depth at Marble Mountain Sno- Park is approximately 0-2 feet. Bear patches are opening up on the first mile of Swfit Ski Trail #244. Snow depth at timberline is 0 to 10 feet. Ridges and tree wells are melting out, but most of travel will still be in the snow. Above timberline snow depth is variable due to wind blown conditions. Rapidly changing temperatures may result in highly variable snow conditions, and ice. Snowshoes with cleats or skis with climbing skins are currently recommended to climb Mount St. Helens. It is also recommended that climbers have, and know how to use an ice axe and crampons. Climbers should be prepared for extreme weather and rapidly changing conditions.