Fox News Weather Center

LIVE: Snow Begins to Invade Mid-Atlantic

A quick-moving storm has begun to spread a swath of snow across the mid-Atlantic, and will advance across southern New england throughout the day.

Snow began to spread from Missouri into the Ohio Valley on Monday night with reports of as much as 4 inches of snow in parts of Missouri.

A mix of snow, sleet and freezing rain were seen just to the south in Tennessee, making for slick spots on roads.

Snow will fill in across the I-95 corridor throughout the day, impacting cities such as New York, Philadelphia and Washington, D.C.

Updates: (All times are listed in Eastern Time)

6:30 a.m. EST Tuesday: FlightStats lists excessive delays into and out of Reagan National Airport in Washington, D.C., significant delays in Philadelphia.

6:00 a.m. EST Tuesday:

5:39 a.m. EST Tuesday: Snow has begun to fall in Pittsburgh and is knocking on the doorstep of Baltimore and Washington D.C.

5:05 a.m. EST Tuesday: Baltimore County public schools will be closed today. "It looks like the snow will start falling in Baltimore before 7 a.m." said Senior Meteorologist Matt Rinde.

4:54 a.m. EST Tuesday: All federal offices in Washington, D.C., are closed today.

4:48 a.m. EST Tuesday: The town of Austin, Ind., has received 2 inches of snow in the past three hours, emergency manager reports.