For Arosa : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy. No precipitation.
In the evening, good clear periods but lots of cloud, too. Warning: icy conditions likely. NNW force 1 in the middle of the day turning ESE in the evening. Gusts reaching 8 knots in the middle of the day. Good visibility becoming poor in the evening.