Concrete can be a concern if the conditions are cold. Coincidentally, concrete actually creates calde (Italian for "hot") conditions while curing. The conditions have been cold (caused by cold current coming from Canada) in the confines of the Carolinas, but the concrete keeping coming along.
Footings have been formed and the framework has been formulated for the foundation.
Rebar has been rightly relocated and rolls on regularly right toward the retaining ralls (er walls).
Pictures prohibit a perfect presentation, but possibly you will be pleased with the post.