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

Track the winter storm as it's forecasted to bring heavy snow and extremely cold weather to the U.S., reaching millions from the southern U.S. to the Northeast.

After a weekend of Columbia winter weather, here’s where the National Weather service hit the mark and where it fell short with its winter storm forecast.

There will be light snow during the day, forecasters from AccuWeather predict, with less than an inch of snow likely. Throughout the day, wind will be blowing south southwest at 10.4 miles per hour. You can search for more information on hourly, daily, and monthly weather forecasts and current air quality conditions for your location here.

Up to 8 inches of snow could fall in North Carolina, with its coast and Virginia's experiencing blizzard conditions, forecasters said.

The social media exchange comes amid forecasts pointing to a winter storm set to bring heavy snow to the U.S. this weekend.