Nocturnal skies will be predominantly overcast, over widespread areas a small amount of precipitation is anticipated, falling
as snow above approximately 1700 m. On Thursday morning in the northeastern regions, a few clouds will persist, elsewhere
it will be generally sunny. During the course of the day, convective cloud build-up is anticipated, and isolated showers are
possible.
Between Wednesday midday and the end of this period of precipitation on Wednesday night, the following amount of fresh snow
are expected over widespread areas:
-
southern Valais: 10 to 15 cm, also more from place to place as showers;
-
western sector of the northern flank of the Alps, northern Valais: approximately 5 to 10 cm, also more from place to place
as showers;
-
in the other regions of Switzerland, less than 5 cm.
At midday at 2000 m, between +3 °C in the southern regions and +1 °C in the northeastern regions.
Winds will shift to northeasterly, and continue blowing at mostly light strength.