7:47 p.m. EDT: Golf ball-sized hail sighted in Hazel, Ky., with 50 mph wind gusts in the area.
One person reported with a minor head injury from a falling tree in Mount Horeb, Wisc. Trees and power lines down throughout the town and nearby towns of Springfield and Vermont.
7:20 p.m. EDT: One person is injured after wind damage caused a carnival ride to collapse in Circleville, W.Va.
6:54 p.m. EDT Multiple power poles and lines down and 1-inch hail reported in Rock County, Wisc.
6:28 p.m. EDT: Multiple trees are down and there are power outages throughout the city of Buckhannon, W.Va.
5:58 p.m. EDT: Water ponded to about 18 inches deep on Upshur Street in Prince George's County, Md.
5:36 p.m. EDT: Lightning hit a cottage and sparked a fire in Barnstable, Mass.
5:30 p.m. EDT: Numerous trees and power lines are down in the southern portion of Cumberland and Caldwell Counties, Ohio.
5:21 p.m. EDT: Possible tornado reported in Bethany, W.Va. Trees down and damage to a residential building on Cuevas Delisle Road.
5:20 p.m EDT: A car was reported stuck in water after a flash flood in Nassau, N.Y. Flooding also occurred on the Grand Central Parkway at the BQE exit in Queens, N.Y.
5:09 p.m. EDT: Trees are down in Christian County, Ky. Quarter-sized hail and branches are scattered along River Road in Louisville, Ky.
4:30 p.m. EDT: 1-inch hail covered the streets of West Broadway and Spring in Manhattan, N.Y.
Multiple trees and power lines down in Oconee County, S.C.
3:58 p.m. EDT: Golf ball-sized hail and wind brought down wires on Pine Street in Bristol County, Mass.
Multiple trees and power lines are down throughout southwestern Pennsylvania, central Maryland and Massachusetts.
3:45 p.m. EDT: Radar for New York City, Hartford and Boston shows heavy rain and severe thunderstorms moving through.
Radar shows rain approaching Baltimore area within the next hour that could affect rush hour drivers.
3:42 p.m. EDT: A "rainwrapped" tornado was spotted near the Intracoastal Waterway in Glynn County, Ga. It continued over marsh areas near the vicinity of the Sidney Lanier Bridge.
3:30 p.m. EDT: All major Northeast airports are delaying incoming flights because of thunderstorms.
A tree fell on a vehicle in Spartanburg, SC, trapping two people inside. Injuries are unknown at this time.
3:20 p.m. EDT: Golf ball-sized hail reported in Dauphin, Pa.
3:15 p.m. EDT: The strongest storms are from south of Boston, south of Hartford to northern New Jersey into York PA. Along that line of storms, strong wind gusts are the main impacts. Only a few storms have small hail, according to radar right now.
Other severe storms extend into western Maryland, areas east of Pittsburgh into eastern Ohio. Again, strong winds are the main impacts.
Flash flood warnings are out across parts of eastern Kentucky, where slow-moving storms are producing over an inch of rain locally.
3 p.m. EDT: Storms west of State College.
2:15 p.m. EDT: Multiple trees and wires down in Dutchess, N.Y. Wires down across Route 17 in Bergen, N.J., just west of the Bronx.
2:03 p.m. EDT: Hail the size of a half-dollar reported in Peabody, Mass., just north of Boston.
1:40 p.m. EDT: Several people were injured when a tree landed on a car and a gazebo was blown over on Morgan Park Landing Road in Nassau County, N.Y.
As a cold front slices into high heat and humidity, severe storms are across the Northeast and eastern coast, from Massachusetts and southward into South Carolina.
A cluster of storms will also move through Mississippi, Alabama, Georgia and parts of Florida.
The storms are expected to affect major cities like Boston, New York, Philadelphia, Baltimore, Pittsburgh, Washington D.C., Cleveland, Providence and Hartford.
The most widespread concerns are damaging wind gusts greater than 60 mph and hail larger than quarters.
For more details on the storm threat into this evening, click here.
Big changes are on the way for parts of the Western and Central states late this week and into this weekend.
Similar to the days prior to Thanksgiving, the worst weather will focus on the days prior to Christmas as millions of travelers take to the roads and skies in the U.S. and southern Canada.
Warm air is forecast to surge into much of the eastern half of the nation by the weekend and will be accompanied by heavy rain and flooding risk in some locations.
Thunderstorms in parts of the South this weekend may become strong enough to threaten lives and property.
Tune in weekdays at 7 a.m. EST for the latest edition of AccuWeather LIVE.
Despite some sun on Thursday, rain will make a comeback in the city in time for the weekend.
Milwaukee, WI (2000)
49.5" of snow in December - snowiest December on record.
Riverside RS (Yellowstone Park), WY: -59 degrees, lowest U.S. temp in December.
West Palm Beach, FL (1989)
Record high of 88 degrees.