The quote below is posted on the Supermid page on MLD's website. I would think that the Duomid would do even better than the Supermid. Andrew Skurka is using the solomid on his Alaska-Yukon tour. The smaller the panels, the better it will handle snow and wind.
"MLD Pyramids were used by Erin And Bretwood Higman for their 4,000+ mile hike from Seatlle to the end of Alaska. groundtruthtrekking.org
We have included their 300+ nights of living in MLD SuperMids feedback into our 2010 SUPERMID to make MLD Pyramids strong for all types of weather. See their blog for a pic of the Silnylon Pyramid still standing under 400lbs of snow buried to the top!"