Heavy snowfall and a high avalanche risk have brought parts of Valais to a standstill.
Many roads are closed and several mountain villages are only partially accessible.
In Zermatt and Saas-Fee, disrupted supply chains have led to panic buying and empty supermarket shelves.
One resident in Zermatt says deliveries to Migros have been halted because no trains - not even freight - can get through.
Shoppers are stocking up on food that can be eaten without cooking, after brief power cuts.
In Saas-Fee, visitors report bare shelves at Coop and silent ski lifts, with avalanches heard in the distance.
Swiss Post pays tribute to driver and other victims of fire
No plans yet for possible G7 unrest in Geneva
SWISS suspends flights to Dubai
Delete pictures to save the planet
Bankrupt energy company agressively targeted the elderly
Car pool lane for Bardonnex
