For Lac Léman-Ecole de Missi : No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Predominantly sunny in the morning, very cloudy skies becoming totally covered in the afternoon. No precipitation in the morning, showers in the afternoon.
In the evening, very cloudy with risk of storms. Light showers. W force 4 turning NNW force 3 in the middle of the day then becoming force 1. Gusts reaching 19 knots in the middle of the day. Excellent visibility becoming good in the evening.