Today in Grimentz, it will be cold and the atmosphere will become unstable.
Good clear periods alternating with cloudy spells, rather dense in the morning. Risk of black ice in the morning, risk of snow showers in the afternoon. Light winds.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Temperatures will vary between -9 and -3°C, it will be very cold in the morning.
Tonight, changeable skies becoming less cloudy.
Warning: icy conditions likely. Light winds.