Update at 9:15 a.m. EST Monday, Nov. 18, 2013:
The Storm Prediction Center (SPC) has a total of 68 tornado reports on Sunday, Nov. 17, 2013, as the devastating tornado outbreak unfolded.
For the latest details on the tornado outbreak, click here.
After causing destruction in central Illinois, the the severe weather threat continues to shift eastward across the lower Great Lakes and Ohio Valley.
Damage was reported from a large tornado that tracked northeastward away from Peoria, Ill. A tornado was also confirmed in the Chicago's suburb of Frankfort.
At least three people were killed in New Minden, Ill., the Washington County coroner and the Illinois Emergency Management Agency told The Associated Press. Another 50 people have been reported injured in Illinois.
The town of Paducah, Ky., reported major tornado damage as well.
The threat is shifting toward Pittsburgh, Pa., and Buffalo, N.Y., as the storms continue to move eastward.
These storms remain capable of producing torrential downpours, damaging wind gusts and isolated tornadoes.
With lives and property in danger, residents and visitors should not take this situation lightly and heed all severe weather-related watches and warnings.
Those in attendance at Soldier Field watching the Chicago Bears host the Baltimore Ravens were forced to evacuate the stands as the line of violent thunderstorms and tornadoes crossed Chicago while the game was in the first quarter.
The tornado danger will wane Sunday evening, but the same cannot be said for the damaging winds. That danger will shift eastward across the Northeast Sunday night through Monday.
The front will continue moving eastward early this week, bringing thunderstorms into the Northeast for Monday. Although the destructive winds will continue with the front, the threat for severe weather and tornadoes will end with the weekend.
In the wake of the tornado threat, cold air will fill the Great Lakes and Northeast, dropping high temperatures as much as 20 degrees in two days.
AccuWeather.com Senior Meteorologist Kristina Pydynowski contributed to the content of this story.
After December-like cold lingers into the start of the weekend around New York City, temperatures will surge into the 50s on Sunday and into the 60s on Monday.
A surge of warmth and wet weather surges toward Detroit this weekend.
Warmer temperatures are expected in Minneapolis to start the weekend, but snow will make a return by early next week.
Warmer air is set to arrive for the weekend, but rain will accompany it.
Between 3 and 6 feet of snow and plunging temperatures have left thousands snowed in over upstate New York, and the cold and snow has taken lives.
A storm riding a surge of springlike warmth will bring a round of severe weather including the risk of a few tornadoes this weekend in the South as Thanksgiving travel begins.
Southern CA (1967)
Heavy rains; 14 inches of rainfall in the mountains, 7.96 inches in downtown LA. Severe local flooding with damaging mud slides. Said to be the worst since 1934.
Great Lakes (1970)
A wintry storm walloped the northern Rockies with heavy snow and drove temperatures near zero along the Canadian border. Up to 10 inches of snow blanketed Cut Bank, MT, where the mercury sank to 3 above zero at midnight. Blowing and drifting snow hampered travel in eastern Washington and northern Oregon.
New England (1989)
Early-season heavy snow... South Lincoln, VT 17 inches Middlebury, VT 16 inches Farmington, ME 12 inches