For Alpnachersee-Schiessüber : No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Storms developing in the morning, skies clearing but storms likely in the afternoon. Showers all day.
In the evening, good clear periods but cloud building. Light showers. S force 2 becoming force 1 in the middle of the day then NW. Gusts reaching 20 knots in the middle of the day. Poor visibility becoming excellent in the middle of the day then excellent.