Für Thonon les Bains : No gale warning.
For the night from Wednesday to Thursday SSW force 1 in the early part of the night turning SSE. Gusts reaching 5 knots in the early part of the night. Excellent visibility becoming good in the middle of the night then good. Daytime of Thursday 30 july : The sky will remain changeable. Good clear periods alternating with cloudy spells, sometimes dense. Risk of showers in the morning, possibility of showers in the afternoon.
In the evening, cloudy spells, sometimes dense. Showers towards the end of the night. SSE force 1 turning W force 2 in the middle of the day then NW. Gusts reaching 8 knots in the middle of the day. Good visibility becoming excellent in the middle of the day.