Today in Zermatt, it will be cold and the atmosphere will become unstable.
Cloud and sun in the morning, sunny, progressively clouding over in the afternoon. No precipitation in the morning, showers of snow and rain in the afternoon. Light winds.
We are 80% sure of the situation, because there is a doubt about the altitude of the rain-snow line.
Temperatures will vary between -2 and 7°C, it will be cold in the morning.
Tonight, overcast skies.
Spells of snow during the night. Moderate winds.