For Lac de Joux : No gale warning.
We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Good clear periods but cloud building. No precipitation.
In the evening, overcast skies. Snowfalls. WSW force 3 in the middle of the day becoming SW force 4 in the evening. Gusts reaching 26 knots. Excellent visibility.