Today in Marmorera, instability will build during the day.
Cloudy spells, dense at times in the morning, very cloudy with possibility of thunder storms in the afternoon. No precipitation in the morning, light showers in the afternoon. Light winds.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Temperatures will vary between 12 and 19°C.
Tonight, skies clearing but continuing risk of storms.
Light showers progressively becoming less frequent. Light winds.