I **think** the next expansion might be teased tomorrow and announced on thursday. My reasoning behind this theory is that thursday is 6 weeks from US thanksgiving - and Nov expansions are usually released before then, and I might be wrong but I think expansions are announced 6 weeks before launch date?
With the exception of Get Together (released in December 2015) all Nov expansions were released before the 16th, which is already less than a month away, which is why I think it'll release on the 25th.
But it may just be wishful thinking.