For Thonon les Bains : No gale warning.
The reliability of the situation is assessed at 90%.
Very cloudy skies becoming totally overcast during the afternoon. No precipitation.
In the evening, very cloudy skies to overcast. Risk of a few flurries. SW force 2 in the morning becoming force 3 in the evening. Gusts reaching 18 knots in the evening. Excellent visibility.