Update at 10:00 a.m. EDT Thursday:
This blog is no longer live, as the severe threat has ended across the Midwest and the Northeast. Detailed reports of the event can be found below.
For more on the deadly winter storm, read a full recap in this news story.
A storm system featuring heavy snow and strong winds tracked from Illinois to Maine early Wednesday morning through Thursday morning.
Tens of thousands of people lost power as a result of Wednesday's snow and severe thunderstorms, stretching from Illinois to Virginia.
Upon departing Virginia, the storm then shifted its focus to parts of the Northeast, creating blizzard conditions in parts of upstate New York before heading up the coast to New England.
On Wednesday, flight delays across the nation reached nearly 4,000 with cancellations topping 1,750. Significant delays due to snow, thunderstorms and wind were reported at Chicago O'Hare International, Cleveland Hopkins International, Baltimore-Washington International and Philadelphia International airports.
Across the region multiple deadly traffic accidents occurreded due to slick roadways in portions of Maine, Boston, Mass., Cleveland, Ohio and Rochester, N.Y.
Frigid air and biting winds in the wake of this storm will also keep AccuWeather.com RealFeel® temperatures in the single digits and lower teens throughout much of the day across the Midwest and mid-Atlantic.
This includes the cities of Philadelphia, Boston, Pittsburgh, New York City, Baltimore, Washington, D.C., and Detroit.
9:25 a.m. EDT Thursday: High winds blew off part of a Bed, Bath and Beyond roof In Mount Olive Township, N.J., according to an ABC 7 news article.
9:10 a.m. EDT Thursday: Heavy traffic listed around Lexington, Medford and Boston.
8:20 a.m. EDT Thursday:
8:00 a.m. EDT Thursday: Watch the morning edition of AccuWeather LIVE for the latest storm and cold weather updates:
7:30 a.m. EDT Thursday: FlightStats lists excessive delays into and out of Logan, Albany, Montreal airports this morning.
7:05 a.m. EDT Thursday:
Mass. man dies in tractor-trailer accident http://t.co/ttDpTy9o7X— WCVB-TV Boston (@WCVB) March 13, 2014
6:30 a.m. EDT Thursday:
Motor vehicle crash at mile 38 south, one vehicle is in the median. Emergency personnel en route to the scene, use caution in the area.— Maine Turnpike (@MaineTurnpike) March 13, 2014
6:10 a.m. EDT Thursday: Burlington, Vt., reported 15.2 inches of snow Wednesday:
(Facebook/Brenda J Bowen)
5:35 a.m. EDT Thursday: Nearly 5,000 Central Maine Power customers are without electricity this morning.
5:15 a.m. EDT Thursday: Maine Department of Transportation is reporting slick roads and difficult travel around Portland, Augusta.
3:53 a.m. EDT Thursday: AccuWeather.com RealFeel® temperatures are below zero from Vermont to Ohio with a value of 23 degrees below zero at Mount Pocono, Pa. in the wake of the storm.
3:31 a.m. EDT Thursday: A band of heavy snow has setup of Albany, N.Y., with snow rates of about one inch an hour.
2:23 a.m. EDT Thursday: Lake-effect snow from the Finger Lakes in New York is being reported as far away as the Pocono Mountains in northeastern Pennsylvania.
1:18 a.m. EDT Thursday: Colder air and snow are quickly approaching Boston and will be there within an hour.
11:45 p.m. EDT Wednesday: Visibility in Burlington, Vt., has been reduced to just a quarter-mile due to blowing snow with winds gusting past 20 mph.
11:03 p.m. EDT Wednesday: Freezing rain has finally changed over to snow around Albany, N.Y., with snow already beginning to accumulate on roadways.
10:16 p.m. EDT Wednesday: The ground stop at Reagan National Airport has been lifted.
10:01 p.m. EDT Wednesday: Dominion Electric is reporting over 38,000 customers without power in northern Virginia.
9:40 p.m. EDT Wednesday: Seven inches of snow reported in Van Wert County, Ohio, according to county emergency manager.
8:55 p.m. EDT Wednesday: Arrival traffic to Baltimore-Washington International Airport is subject to ground delays due to wind, according to the FAA.
8:15 p.m. EDT Wednesday: U.S. flight delays top 5,000 with an additional 1,904 canceled flights, according to FlightStats.
7:57 p.m. EDT Wednesday: Departure traffic has been delayed at Washington Dulles International Airport due to thunderstorms, according to the FAA.
7:40 p.m. EDT Wednesday: Seven inches of snow was reported in Erie County, Pa., according to a NWS spotter.
6:45 p.m. EDT Wednesday: Watch 'AccuWeather Live' now for the latest on the winter storm & blizzard in New England:
5:52 p.m. EDT Wednesday: Tree damage and downed power lines due to severe wind reported near Greensboro, Guilford County, N.C., according to county emergency manager. A Guilford County weather station reports wind gusts up to 61 mph.
5:25 p.m. EDT Wednesday: Flight delays in the U.S. approach 4,000 with another 1,750 canceled, according to FlightStats.
4:40 p.m. EDT Wednesday:
CUY: I-480 WB at W 150th St CLOSED due to multi-car accident. Motorists should use alternate routes.— ODOT Cleveland (@ODOT_Cleveland) March 12, 2014
4:13 p.m. EDT Wednesday: Due to a multiple vehicle accident, I-90 E between exits 46-Rochester and 41-Waterloo is closed, reports the New York State Thruway Authority.
3:35 p.m. EDT Wednesday: Departure traffic destined to Philadelphia International Airport is subject to ground delays due to wind, according to the FAA.
2:50 p.m. EDT Wednesday: More than 26,500 FirstEnergy customers are without power throughout Ohio.
2:35 p.m. EDT Wednesday National flight cancellations top 1,500 with the most cancellations into and out of Chicago O'Hare, Detroit Metropolitan Wayne County and Cleveland Hopkins International airports, according to FlightStats.
1:38 p.m. EDT Wednesday: Up to 6.7 inches of heavy snow in Huntington, Ind., reports emergency management.
1:00 p.m. EDT Wednesday: Snow continues across Ohio; emergency manager in Defiance lists 7.5 inches of accumulation.
Lake St. Marys , Celina, Ohio. (Instagram/jasonmatthew95)
12:15 p.m. EDT Wednesday:
Winter weather causing lengthy delays and airlines have xld more than 450 flights. Check airlines' Web sites for flight status.— O'Hare Intl. Airport (@fly2ohare) March 12, 2014
11:50 a.m. EDT Wednesday: Tune in at 12 p.m. EDT for the latest storm updates on AccuWeather LIVE:
11:10 a.m. EDT Wednesday: Power outages in northern Illinois have topped 45,000, according to ComEd.
10:40 a.m. EDT Wednesday: Power outages reach 7,400 around Kalamazoo, Lansing, Mich.
10:15 a.m. EDT Wednesday: A ban on tandem tractor trailers is in effect on I-90 between Exit 25A and the state line of Pennsylvania, according to NYDOT.
10:00 a.m. EDT Wednesday: Snow is mounting in Toledo, Ohio:
9:30 a.m. EDT Wednesday: An NWS-trained spotter reports 5.5 inches of snow in Benton Harbor, Mich.
9:00 a.m. EDT Wednesday: More than 7,600 are without power in the Cleveland area, according to FirstEnergy.
8:30 a.m. EDT Wednesday: FlightStats lists excessive delays to and from Midway, O'Hare, Cleveland and Detroit airports:
8:00 a.m. EDT Wednesday: For the most recent storm developments, watch the latest edition of AccuWeather LIVE:
7:45 a.m. EDT Wednesday:
7:30 a.m. EDT Wednesday: More than 34,000 are without power in northern Illinois.
7:00 a.m. EDT Wednesday:
6:30 a.m. EDT Wednesday: More than 6,000 customers in Chicago affected by outages, according to ComEd.
6:10 a.m. EDT Wednesday: Reports from the Michigan Department of Transportation report icy, slick roads, including in Detroit and Ann Arbor.
5:40 a.m. EDT Wednesday:
I-65 MM 259.0 SB at I-80/94 mile 259 Ramp closed 3 hours due to a crash— INDOT TrafficWise (@TrafficWise) March 12, 2014
5:30 a.m. EDT Wednesday: The Illinois Department of Transportation reports slick and snow-covered roads from Peoria to Chicago, including large swaths of I-55, I-57 and I-39.
5:20 a.m. EDT Wednesday: According to FlightStats, cancellations approach 600, with nearly 200 of that out of O'Hare to start the day. Delays and cancellations are expected to increase throughout the day.
As temperatures rise through the weekend in the South, so will the risk for heat-related dangers.
The earth’s crust is slowly rising because groundwater, which kept it weighed down, has disappeared.
A tropical threat from the Atlantic on the United States and Caribbean islands may increase into next week.
United States residents may pay higher heating costs this fall as colder air is expected to grip the Rockies and Plains at times and some quick-hitting chilly shots may impact the Northeast.
A swath of steady, soaking rain will slowly shift from the northern Plains to the Canadian Prairies this weekend, making people reach for their umbrellas.
A fresh shot of cool air will keep temperatures below normal in northern Europe through this weekend.
Woodland, WI (1857)
42 miles west of Milwaukee at night - "Every building save one blown down; freight cars blown off the track."
San Lorenzo, Puerto Rico (1906)
103 degrees, hottest ever in Puerto Rico.
East-Central Kentucky (1980)
2-1/2 to 3 inches of rain in 45 minutes. 75 homes were flooded and one was washed off its foundation, ending up blocking a roadway in the community of Beauty (near the WV-KY line). Heavy damage was reported, there including a washed-out bridge.