Für Thonon les Bains : No gale warning.
For the night from Thursday to Friday NNE force 1 turning ESE in the middle of the night then ENE. Gusts reaching 6 knots in the early part of the night. Poor visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Friday 19 june : The atmosphere will remain unstable. Overcast with reduced visibility in the morning, good clear periods with lots of cloud in the afternoon. Showers all day.
In the evening, very cloudy with risk of storms. Light showers. NE force 1 in the morning turning N in the middle of the day. Gusts reaching 8 knots in the evening. Visibility reduced by mist becoming excellent in the middle of the day then poor.