A brief surge of milder air through Monday morning will be followed by a dangerous cold blast in Philadelphia.
Philadelphia will escape the worst of the snowstorm that is taking aim at Chicago, St. Louis and Detroit.
The track of the snowstorm will instead lead to a brief rebound in temperatures and some rain for Philadelphia through Monday morning.
Also accompanying the rain will be areas of potentially dense fog that will lead to slow travel for motorists and possible flight delays.
Temperatures will return to the 40s from late Sunday through Monday morning.
However, the warming wasn't quite fast enough to prevent a bit of rain from freezing on some surfaces earlier on Sunday. There were many reports of accidents throughout the Delaware Valley, including some speed restrictions on bridges. Along with that, Philadelphia International Airport had a ground stop in effect for several hours.
Slick spots will once again be a concern for motorists and residents as the snowstorm's cold front sweeps through and ushers in dramatically colder air.
Temperatures will plunge from the upper 40s Monday morning to the lower 30s late Monday afternoon, causing any standing water on untreated roads and sidewalks to turn icy. The invading cold air will also cause the rain Monday morning to end as a little snow.
Lows in the single digits Monday night, highs in the teens on Tuesday and dangerously colder AccuWeather.com RealFeel® temperatures will force those in Philadelphia to bundle up to avoid enduring frostbite or hypothermia.
Dry weather will prevail for Thanksgiving travelers heading back home this weekend in the Boston area.
Dry and milder weather will be in Harrisburg this weekend, but refreezing of melted snow remains a concern in the region.
Dry weather will prevail for Thanksgiving travelers heading back home this weekend in the Washington, D.C., area.
Dry weather will prevail for Thanksgiving travelers heading back home this weekend in the New York City area.
Dry weather will prevail for Thanksgiving travelers heading back home this weekend in the Philadelphia area.
As frigid air grips Minneapolis, temperatures will plummet across the area through the weekend.
New England Coast (1898)
Famous "Portland" storm formed off Cape Cod with loss of 200 lives. Many others were lost to the raging sea in 50 small vessels. A total of 27 inches of snow in New London, CT; 15 inches at Waterbury, CT. Peak wind was 72 mph in Boston. Boston received more than a foot of snow.
Second heavy snowfall in three days hits the region with 12 inches on the ground in NJ; 14 inches in NY; greatest November snow in New England since 1898.
Nation devastated by terrible floods -- 400 people killed.