If you are walking in Galicia, its the Cebreiro snows you need to worry about, not the Pyrenees - and the rain. It has been exceptionally cold in Galicia and the heavy rain is playing havoc with the paths. Rivers have flooded, paths are closed, Barbedello almost impassable, Rio Loyo in flood, Rio Sarria roaring, and more forecast.
When the Belesar reservoir above Portomarin is full (created in the 1960s) there are usually four steps exposed at the end of the bridge at Portomarin. Apparently today only three are visible and the water is rising.