Für Bielersee-Unterwasserquellen : No gale warning.
We are 75% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Fairly cloudless skies becoming changeable during the morning, very cloudy with possibility of thunder storms in the afternoon. Light showers arriving in late morning, then dying out.
In the evening, very cloudy with risk of storms. Possibility of showers NW force 2 turning N in the middle of the day then becoming force 3. Gusts reaching 16 knots from the middle of the day. Excellent visibility.