Update at 5:40 p.m. EST Tuesday:
This blog is no longer live as the severe weather threat has diminished. See a recap of the storm and reports below.
A quick-moving storm spread a swath of snow across the mid-Atlantic region and southern New England throughout the day on Tuesday.
The snow began spreading from Missouri to the Ohio Valley on Monday night with reports of as much as four inches of snow in parts of Missouri.
Snow filled in the I-95 corridor Tuesday, impacting New York City, Philadelphia, Washington, D.C., and Boston. All federal offices were closed for the day in Washington, D.C., due to the wintry conditions.
Tuesday morning, more than 9,500 Dominion Electric customers were without power in West Virginia.
As of Tuesday afternoon, snow totaled more than two inches in Philadelphia, Newark, N.J., Danbury, Conn., and Brooklyn, N.Y. Some of the highest snow reports were across Pennsylvania and Maryland, as more than five inches was recorded in spots.
Drivers along the I-95 corridor were advised to reduce speeds on the roadways and in New Jersey multiple vehicles reportedly slid off the roads along the New Jersey Turnpike and Garden State Parkway.
Numerous flights at many of the Northeast's major airports were delayed or canceled due to the storm on Tuesday including, JFK, Philadelphia, Newark, LaGuardia and Boston Logan airports.
While the threat of snow has ended, lingering wet spots will freeze overnight tonight creating issues with black ice, according to AccuWeather Meteorologist Brian Edwards.
5:00 p.m. EST Tuesday: Snow is falling over southeastern Massachusetts and Rhode Island, but snow will taper off in the next hour or two, according to AccuWeather Meteorologist Brian Edwards. However, lingering wet spots will freeze tonight, so black ice will be a concern.
3:45 p.m. EST Tuesday: Traffic camera shows snow and slick road conditions along I-90 MassPike at Weston State Police Barracks East in Warren, Mass.
2:32 p.m. EST Tuesday: Departure traffic destined to the following airports are subject to ground delay programs due to snow and ice, according to the FAA: JFK, Philadelphia, Newark, LaGuardia and Boston Logan.
12:50 p.m. EST Tuesday: Emergency mangers report 2.4 inches of snow accumulation today for Westmoreland County, Pa., 2 inches for Allegheny County, Pa., and 2.7 inches for Franklin County, Ohio, by the National Weather Service's ASOS.
12:20 p.m. EST Tuesday: The Federal Aviation Administration has eased the ground stop at Newark Airport to a ground delay; ground delays are also in effect for LaGuardia, JFK and Philadelphia airports, averaging 30 to 40 minutes.
12:00 p.m. EST Tuesday: Accuweather.com Meteorologists Bernie Rayno and Andrew Baglini are giving live updates on the storm on a special edition of AccuWeather LIVE, here.
11:15 a.m. EST Tuesday:
11:00 a.m. EST Tuesday: AccuWeather Facebook fan Sarahbeth Medeiros posted this photo from Little Compton, R.I., saying, "50 minutes ago this was all green!"
10:45 a.m. EST Tuesday: Highest snow reports this morning by state: 6.5 inches in Red Lion, Pa.; 6 inches in Manchester, Md.; 5 inches in Cross Junction; Va.; 4.8 inches in Bunker Hill, W.Va.
10:20 a.m. EST Tuesday: New Jersey Department of Transportation lists traffic delays on NJ 70 westbound approaching NJ 38 as a result of the snow. Vehicles have reported slide off the roads on the New Jersey Turnpike and the Garden State Parkway. Traffic cam:
10:00 a.m. EST Tuesday: For more updates, watch AccuWeather LIVE, for the most up-to-date forecasts and delay information right now.
9:15 a.m. EST Tuesday: Power outages mount as the storm progresses. More than 9,500 Dominion Electric customers are without power in Virginia, nearly 3,000 FirstEnergy customers and more than 7,500 Appalachian Power customers are without power in West Virginia and just under 2,000 PennPower customers are without power in Pennsylvania, including the Pittsburgh area.
8:30 a.m. EST Tuesday:
Due to inclement weather the Zoo is closed. A decision will be made later today about ZooLights this evening. #snowday— National Zoo (@NationalZoo) December 10, 2013
8:10 a.m. EST Tuesday: The Federal Aviation Administration has a ground stop in effect for Newark Airport.
7:40 a.m. EST Tuesday: The NOAA warns of heavy snow falling at a rate of an inch an hour for southeastern Pennsylvania, northeastern Maryland and northern Delaware:
7:10 a.m. EST Tuesday: The Pennsylvania Department of Transportation warns of winter road conditions on the Pennsylvania Turnpike. They stated, "All travelers are urged to reduce their speeds and keep alert for changing travel conditions and emergency crews working on the roadway. Do not attempt to pass Turnpike trucks plowing or servicing the highway. The potential for snow and icing conditions exists."
6:30 a.m. EST Tuesday: FlightStats lists excessive delays into and out of Reagan National Airport in Washington, D.C., and 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 AccuWeather.com 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.
A storm riding a blast of cold air will unleash heavy snow on the central and southern Appalachians Saturday and will turn toward part of New England by Sunday.
Rain will finally make a return to drought-stricken California by the weekend with rain reaching all the way down into Southern California.
While daylight saving time was primarily started in the United States for the sake of conserving energy, some argue that is not the case anymore.
The 44th running of the New York City Marathon will get underway early Sunday morning with cold and blustery conditions.
While rain could deter voter turnout on Election Day in part of the Central states and the Northwest, dry weather is in store in the East and the balance of the West.
Take a look at four U.S. Halloween attractions and their weather forecasts in order to prepare for the holiday.
Wichita Falls (1993)
Galveston, TX (1993)
39 degrees - 1st time ever in 30s during October.
Binghamton, NY (1993)
6.2" of snow.