Départ
Today in Sion, the weather will become more uncertain during the day.
Clouding over with thunderstorms developing. No precipitation in the morning, showers late in the day. Light winds.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Temperatures will vary between 21 and 31°C, it will be very warm in the afternoon.
Tonight, skies clearing but continuing risk of storms.
Light showers progressively becoming less frequent. Light winds.
