I cannot speak for every Latter-day Saint's belief but my study of the Bible and the Book of Mormon, Doctrine and Covenants, and the Pearl of Great Price has led me to ultimately reject any idea of a pre-tribulation rapture (though we will meet up with Christ in the air to descend with him as he claims his throne on Earth. We are told in Matthew and throughout the scriptures that the Saints will flee to the mountains when the Anti-Christ is consolidating his power to attack the saints in the tribulation.  
 
We know that they Jews will gather to Jerusalem and the Latter-day Saints will gather to Zion (found in Independence Missouri)that here they will wait out the storm of the tribulation though I do believe that we will still be sending out missionaries to preach the gospel.  
 
We know that Christ will return to the Earth and reign for 1,000 year from Zion. 
 
Thanks for the question!