Update (2103ET): As predicted, Donald Trump has been declared the winner of the Iowa Caucus by the Associated Press. Despite just 1% of the votes in, the former President is leading both Nikki Haley and Ron DeSantis by more than 35-points as of this writing, more than projected in the final NBC News/Des Moines Register/Mediacom Iowa poll.

Developing...

In chilly Iowa, Republican candidates are making their final appeals before gathering for a 7 p.m. Caucus - during which party members will plead their case for various candidates they would like to see on the ballot. All times mentioned are local.