November 22, 2016 update
The snow level is currently at right around 3,000'. Be prepared for cold, wet, winter conditions by having appropriate winter climbing gear and strong winter navigational/orienteering/mountaineering skills.
See the U.S. Forest Service Mount St. Helens National Volcanic Monument website for more information.
WEATHER: Weather.gov point forecasts- Marble Mountain SnoPark (2,700ft) and mid-slope (6,200ft). Mountain-Forecast.com provides forecasts at three different elevations: summit 8,328ft, mid-slope 6,500ft and just above the trailhead 3,200ft.
AVALANCHE: Visit the Northwest Weather and Avalanche Center for the most up to date avalanche forecast information.