For a view of the commonly held Reformed doctrine consult Matthew Henry’s Commentary on Matthew 24, also, the Westminster Confession of Faith 1646.
Links...
Matthew Henry’s Commentary (click on Show Resources link)...
http://www.biblegateway.com/passage/?search=mt%2024&version=KJV
Westminster Confession of Faith 1646
Chapter XXXIII
Of the Last Judgement
(click on citation numbers to display Scripture proof verses)
http://www.reformed.org/documents/wcf_with_proofs/
Thanks. I do remember reading from Matthew Henry’s commentary in Romans 11 that he believed in a future salvation of the Jews.