For Thonon les Bains : No gale warning.
We are 80% sure of the situation, because hail may not be as easy to predict.
Some fair-weather cumulus clouds. In the evening, very cloudy with risk of storms. Showers with the possibility of hail. SW wind force 4 from the middle of the day. Gusts reaching 25 knots in the middle of the day. Excellent visibility.