The most recent was 13.9GB compressed and ~65GB uncompressed. The version without images, talk pages, and revision history is 'enwiki-20180320-pages-articles.xml.bz2' here:
https://dumps.wikimedia.org/enwiki/20180320/
The article text contains Wikipedia markup which is a bit difficult to remove but not impossible, there are some existing projects for doing that. DBPedia would have the raw text, but it's not nearly as current.