For Lac Chambon : No gale warning.
We are 80% sure of the situation, because storms may be more local.
Storms developing. Showers.
In the evening, storms developing. Showers with the possibility of hail. SSW force 3 in the middle of the day becoming force 2 in the evening. Gusts reaching 22 knots in the middle of the day. Good visibility becoming poor in the evening.