For Blattmann : No gale warning.
The reliability of the situation is assessed at 90%.
Skies very cloudy to overcast in the morning, some sun but cloud building in the afternoon. No precipitation.
In the evening, clear periods developing. No precipitation. NNW force 2 turning NNE in the middle of the day then NE. Gusts reaching 8 knots in the evening. Poor visibility becoming excellent in the middle of the day.