For Chateau de Chillon : No gale warning.
The reliability of the situation is assessed at 90%.
Overcast in the morning, very cloudy in the afternoon. No precipitation.
In the evening, very cloudy. No precipitation. WSW force 2 turning WNW force 1 in the middle of the day then SSW. Gusts reaching 9 knots in the middle of the day. Excellent visibility.