Monday's mild weather in Philadelphia is not a sign of things to come with the return of snow and frigid air on the horizon.
Monday is shaping up to be a breezy and milder day in Philadelphia with temperatures set to soar into the upper 40s.
However, the polar vortex is sinking southward and will cause noticeably colder air to sweep in for Monday night and Tuesday. About 20 degrees will separate Monday's high from Tuesday's.
In fact, Tuesday's high will likely be recorded in the predawn hours than the afternoon.
Residents will not just be bundling up on Tuesday, but will also be clearing snow. An Alberta Clipper at the leading edge of the arctic blast will spread a band of snow from the Ohio Valley to the mid-Atlantic on Tuesday.
While heavier amounts will fall in the mountains of Virginia and West Virginia, amounts on the order of 1 to 3 inches are expected in Philadelphia.
AccuWeather.com meteorologists will continue to monitor the storm for the possibility of the heavier snow band developing closer to the city.
This snow is still enough to turn sidewalks and roads slippery, especially toward and after dark. Airline passengers should prepare for possible flight delays.
Biting winds ushering in the colder air will drop AccuWeather.com RealFeel® temperatures into the single digits on Tuesday.
In the wake of the snow, temperatures will plummet into the teens Tuesday night and remain there through Wednesday night. Brisk winds will continue to create dangerously colder RealFeel® temperatures.
Yet another Alberta Clipper will return the chance for a little snow on Thursday before fresh frigid air arrives later in the week.
While Hurricane Cristobal will track east of the United States this week, it will spread rough surf along much of the Atlantic coast and will have some direct impact on Bermuda.
After a brief cooldown late this week, very warm and humid air will bounce back during the Labor Day weekend.
While the weather over much of the Atlantic and Pacific coasts will be free of rain this Labor Day weekend, a zone of unsettled weather will reach across part of the Central states.
Though Hurricane Marie will weaken through this week, it will bring dangerous waves and rip currents to Southern California.
After several days of summerlike warmth and humidity, cooler and more pleasant air will return to end the week.
A disturbance gathering spin over Gulf of Mexico will drift onshore in Texas before the end of the week with drenching showers and locally gusty thunderstorms.
Georgia & South Carolina (1881)
335 died in a hurricane. The most severe damage was in Savannah and Charleston.
South Carolina (1893)
First of 3 great hurricanes that year in SC. Over 1,000 people drowned in tidal surge at Charleston.
Miami, FL (1964)
Hurricane Cleo battered South Florida area, the first direct hit since 1950. Gusts to 135 mph, barometer 28.57 inches. Damage at $125 million.