For Chateau de Chillon : No gale warning.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Very cloudy in the morning, changeable skies becoming relatively cloud-free in the afternoon. Light showers progressively dying out in the morning, possibility of a few spots in the afternoon.
In the evening, skies with few clouds. SSW force 1 turning W force 2 in the middle of the day then NNW. Gusts reaching 9 knots in the evening. Good visibility becoming excellent in the middle of the day.