Today in Altdorf, warning:reduced visibility early in the day.
Mist and fog in the morning, some sun but cloud building in the afternoon. No precipitation. Light winds.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
Temperatures will vary between 5 and 9°C, it will be cold in the morning.
Tonight, dense, persistent fog.
No precipitation. Light winds.