The peak of bad weather in Switzerland is expected for today
Express newspaper
28/08/2025 18:05
The first hours of the bad weather have so far not caused any particular concern, as confirmed by the Ticino Cantonal Police.
However, there was no shortage of precipitation, and according to MeteoSvizzera, the peak is expected for the entire day today.
The photo published by MeteoSvizzera at 8 am confirms the forecasts: the heaviest rainfall was concentrated in Sopraceneri, especially in Locarnese. In Mosogno, 108.1 millimeters of rain fell, in Locarno Monti 63.7 and in Cimetta 41.9, albinfo.ch reports.
In Vallemaggia, devastated last year by a violent storm, 61.7 millimeters were recorded in Cevio and 46.4 in Robiei. The Bellinzona area also experienced significant rainfall: in the Magadino plain 50.6 millimeters fell, while in the capital the sensors recorded 32.9. The amounts in the upper valleys are also stable: 36.9 in Biasca, 28.3 in Comprovasco (Valle di Blenio) and 27.4 in Piotta in Leventina.
The situation was calmer in Mesolcina, which was hit hard by bad weather last year: 12.4 millimeters were measured in Grono, the lowest value south of the Alps. In Sottoceneri, the rain was still abundant, with 31.3 millimeters in Stabio and 28 in Lugano. On the rhetorical side, the data show 42.6 millimeters in San Bernardino and 20.5 in Soglio, in Bregaglia, writes SRF.
The most intense rainfall is expected in Sopraceneri, for which MeteoSwitzerland has issued a level 4 warning. In some areas of Grisons, level 5, the maximum risk level, remains in force. The St. Moritz region is under a level 4 alert. According to the forecast, rainfall is expected to continue throughout the day today, Thursday and tomorrow, until midnight.
Preventive measures
Preventive measures have been taken in both Ticino and Graubünden, such as the closure of the Bavona Valley road starting from Cavergno from 8 pm on Wednesday. The connection with Val Pontirone is also closed. In Mesolcina, it was decided to evacuate in advance several houses in the Lostallo area, already affected last year by bad weather. In total, 14 people have been displaced.
During the night, FART also announced the suspension of the Centovallina service between Domodossola and the state border, i.e. on the Italian part of the railway. Replacement buses have been provided in both directions. For the timetable and updated information, users are invited to consult the website. The resumption of traffic may occur in the afternoon, but only after the intensity of the rainfall has decreased and a favorable outcome of an inspection of the line.