For Blattmann : No gale warning.
We are 90% sure of the situation, because the cloud system could clear up more slowly than forecast.
Skies very cloudy to overcast in the morning, some sun but cloud building in the afternoon. No precipitation.
In the evening, good clear periods but lots of cloud, too. No precipitation. NNW force 2 turning NNE in the middle of the day then NE. Gusts reaching 9 knots in the evening. Poor visibility becoming excellent in the middle of the day.