As millions of Americans hunker down for the winter storm, 19 states and Washington, D.C., have declared states of emergency.

Mail-evelont resolve. A US Postal Service mail carrier from Ohio claims he was suspended and threatened with termination after a Facebook post criticizing the “extreme” conditions fellow workers were put in during Winter Storm Fern — only to arrive and find that there was nothing to deliver.

We’re looking at extreme cold, record cold," said Josh Weiss, a meteorologist at NOAA’s Weather Prediction Center.

The weather forecast shows a major winter storm could hit Boston this weekend with heavy snow.