Reporters from across the NPR Network are covering the storm in each state — the impact and how officials are responding.

A significant winter storm began Sunday morning and dropped as much as 20 inches of snow in Westfield as of mid-morning Monday, according to snowfall reports compiled by the National Weather Service.

In the Northeast, forecasts have called for 12 to 18 inches, though totals will vary locally and may be lower along the immediate coast. Mr. Lamers noted the potential for a “slowly pivoting snow band” to set up over the region; on the high end, localized areas could see two feet or more.

The Nashville office of the National Weather Service upgraded the winter storm watch to a warning ahead of expected snow and ice this weekend.

There's more than a 50% chance Nashville will be significantly impacted by ice, making travel extremely dangerous.

“Dangerous cold comes this week with several nights featuring single digit temperatures and wind chills below zero,” the National Weather Service said early Monday. “It’s quite rare to get a stretch of temperatures this cold for so long. Take precautions if headed out.”

AL faces weather whiplash today as rain, storms and gusty winds give way to dangerous cold statewide, with icy roads north and extreme cold south.

A historic winter storm blanketed the Pittsburgh region with heavy snow on Sunday.

National Weather Service meteorologists continue to adjust the weekend forecast for Hampton Roads and have now lifted the winter storm warning for the southeastern part of Virginia, as