De Croo was to be joined by European Fee president Ursula von der Leyen within the river valleys of japanese Belgium close to the border together with her native Germany, additionally badly hit.
The final official demise toll on Friday night time was 20, with as much as 20 folks nonetheless lacking, and police in Angleur close to Liege mentioned that they had discovered at the least another physique in a single day.
A disaster centre spokesman mentioned a brand new official determine can be given later within the day, however confirmed that it was rising.
The floods descended on densely inhabited valleys within the Meuse area on Thursday after days of intense rain.
By Saturday, the skies have been clearing and the downpour had abated, however the retreating waters left scenes of devastation throughout 120 native authorities areas.
Police have been going door to door, checking on residents, and De Croo has declared Tuesday — the eve of Belgium’s nationwide day — a day of official mourning.