While the severity and path of the storm grabbing attention is still questionable, the impact would span Monday and Tuesday in central Pennsylvania.
How nasty the weather gets, if nasty at, all depends on the track and strength from Sandy, a hybrid storm, a nor'easter or a simple frontal passage.
In the worst-case scenario, an intense storm, turns inland from the Atlantic Ocean over New Jersey and Pennsylvania early next week.
Such a scenario would deliver high winds, heavy rain and perhaps high-elevation snow. Impacts would range from travel disruptions and foiled activities to downed trees, power outages and flash and urban flooding.
If the storm fails to turn westward over the region, a period or two of rain would occur Saturday night into Monday. Snow showers could occur over the mountains by early next week with noticeably blustery, progressively colder conditions for all.
The risk of flooding downpours and gusty thunderstorms will spread toward southern Florida as a tropical disturbance spreads northwestward from Cuba.
Following a tropical threat for the United States Gulf coast next week, an uptick in tropical systems will continue for the next six to eight weeks.
After showers threaten to spoil outdoor plans over the weekend, Monday will feature great weather for the bank holiday in Wales and England.
On the heels of deadly Typhoon Mindulle, Typhoon Lionrock is poised to make landfall in Japan early next week with heavy rainfall, damaging winds and an inundating storm surge.
Relief from the heat baking Germany this weekend will come by early next week, but not before violent thunderstorms threaten northern areas to end the weekend.
Cedoux, Saskatchewan (1973)
Largest hailstone ever recorded in Canada. This stone was 4.5 inches in diameter and weighed a pound.
The Bronx, NY (1990)
Strong thunderstorms dumped 4.24 inches of rain.
Nassau, NY (1990)
Thunderstorm winds overturned boat, injuring 12.