Für Lac Chambon : No gale warning.
We are 80% sure of the situation, because storms may be more local.
Good clear periods but with plenty of cloud in the morning, storms developing in the afternoon. Showers all day.
In the evening, storms developing. Showers with the possibility of hail. SW force 3 in the morning becoming SSW force 2 in the evening. Gusts reaching 22 knots in the middle of the day. Excellent visibility becoming poor in the evening.