Montpellier, Toulouse, Nice and Marseille are still open to whatever traffic can reach them. In Italy, Linate and Malpensa have closed, but Fiumicino is still operational.
It seems no major change is expected in the weather and wind patterns for the next 4-5 days ...
BTW, here is a preliminary list of other volcano related threads on FT:
http://www.flyertalk.com/forum/13788059-post30.html