Washington, D.C., Maryland and Virginia have all declared a state of emergency as a major winter storm is expected to bring heavy snow, dangerous cold and the likelihood of travel delays and school disruptions to the region.

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

A major winter storm is lining up for the D.C. region, with snow likely breaking out late Saturday and intensifying overnight. To prepare, the National Weather Service issued a winter storm watch through Monday. Forecast models show a high chance of at least five inches, with double-digit totals possible in spots.

A winter storm continues to impact Washington, D.C., and its surrounding area as snowfall transitions to sleet, creating hazardous conditions that are expected to last through Sunday night and continue this week.

All the buzz in weather is about the snow heading to D.C. this weekend and the burning question: How much snow is coming? The numbers floating around apps and social media are mind-boggling, with some showing models projecting 23 inches of snow.

The Washington, D.C. region is bracing for a surge of Arctic air that is expected to bring heavy snow, dangerous cold and the potential for travel delays and school disruptions.

What to Know A whopper of a winter storm is set to impact a large chunk of the U.S. – from Texas to the East Coast – this weekend. It’s unclear this far in advance just how much we might get. A northern track means the low-pressure system will be closer to the tri-state and snow is more likely.

More than 180 million people are on alert for a massive weekend storm that stretches from New Mexico to Maine, and is expected to paralyze the South with dangerous ice and snow.Latest DevelopmentsJan 24,