The only cold period is the 3/16-3/19 period, then warms up significantly afterwards. Would expect warmer trends in the coming days as the models have a tendency to erroneously hold on to the cold for longer than it should when there’s such a vast lack of high-latitude blocking. As I said before and will say again, meteorology > modelology. Funny thing is it’s already been a blowtorch for virtually the entire CONUS