The railway line Milan - Srtesa - Domodossola - Brig is actually closed because of inundations.
The road (Turin-) Ivrea - Aosta - Martigny (- Lausanne) is closed.
The bus - gondola itinerary Turin - Cervinia - Matterhorn Paradise - Zermatt - Visp is closed because of storm and heavy snowfall.
The railway line Brig - Visp - Zermatrt and Brig Visp - Leuk - Sierre/Siders are closed too.
Both railway lines to Biella are closed, but the roads are opoen.
Zermatt, Saas Fee, Simpon Dorf; Gondo, Macugnaga, Borca, Pestarena, Ceppo Morelli, Borgone, Vanzone, Leukerbad, Adelboden and Oberems are isolated.
The Simplon Pass road is closed too.
The road to Grindelwald is closed, but the trains run (not as usual, however).
Other closed roads:
Pont St-Martin - Gressoney
Bard - Champorcher
Aosta - Pila
Aosta - Cogne
Aosta - Degioz
Aosta - Rhemes Notre Dame
Valpelline - Ollomont

In addition to my thread posted 12 hrs ago and blocked "since a moderator......

The car transport through the Simplon tunnel may resume at midnight (Swiss time).
Frejus/Mont Cenis, Gd St-Bernard, Theodul, Simplon are still closed.
Mont Blanc is open with several hrs waiting time around Chamonix and around Quincinetto.
Hrs of waiting at the Gotthard too.
No problems at Vereina - Resia and Brenner
Some of the 10 mountain valleys mentioned 12 hrs ago (among them Zermatt, Saas Fee, Macugnaga, Gressoney and Cogne) remain blocked, but many roads may be reopened tomorrow.

two threads merged

Wow. That must be a lot of rain and snow!

Road to Zermatt

Railway line t oZermatt

Usually small creek close to Locarno

Terrace of a restaurant in the Rhone Valley, 600 metres above sea level

Holy moly, that's some snow!

And more trouble when it melts!!