Having hit land last night, devastating much of New York City, Sandy will weaken as it continues up through Pennsylvania, Upstate New York, and Canada. The trajectory of the storm forecasted by NOAA is shown on this map from Weather Underground.  We've compiled a regional breakdown of the weather and destruction to expect over the next couple of days. 

The Coast

Even as it moves away from the coast, these areas will continue to see heavy rains for the next two days, which will lead to coastal storm surges and high tides, Daniel Brown, a hurricane specialist at the National Hurricane Center, told The Associated Press's Mark Scolforo and Michael Hill. The National Hurricane Center warns tides could bring high water back in, with up to four feet above ground of flooding along the Delmarva Peninsula and the upper and middle Chesapeake Bay, report The New York Times's John Schwartz and Nina Bernstein.

As for the high-speed gale force winds, those will continue on the coast throughout Tuesday, subsiding tonight. Inland, they should calm down by the middle of today.

Pennsylvania

With rain continuing through Friday, the National Weather Service has issued a flood warning for Western Pennsylvania, as the storm moves northwest. "Stream rises will be slow and flash flooding is not expected," explains the report. Yet, officials are still urging residents who live near creeks to take caution. "People who live next to creeks and streams need to keep vigilant, with their heads on a swivel,” said Gene Dziak, the emergency management official for Pennsylvania’s largely rural Wyoming County, notes The Times

Upstate and Western New York

The National Weather Service has posted a wind advisory for the area and there is a flood advisory posted along the coast of the Great Lakes from Buffalo through Ohio. But the storm is not expected to cause too much major damage in western New York, according to Buffalo's WKBW news. Though the area is only predicted to get one to three inches of rain, some places could get up to five, which Schwartz and Bernstein say is "more than enough to cause flash floods as debris dams up creeks, the dam bursts and water cascades down from the blockage, or as water fills small creeks," they write. 

Canada 

Most of the damage to Canada will come to Southern Ontario, right off the Great Lakes, which will get lashed with wind, Rob Kuhn, a severe weather meteorologist with Environment Canada’s Ontario Storm Prediction Centre told The Star. "We’re dealing with strong winds from southern Ontario and eastern lower Michigan, all the way through Quebec into parts of the Maritimes and across a large part of the north eastern states," he said. However, wind warnings have ended for all areas except Sarnia, in southwestern Ontario, notes The Canadian Press.

Nova Scotia and along the St. Lawrence River will see high surf, with forecasters are warning that some coastal flooding could be seen in the Quebec City region.

The Midwest

With Sandy's power extended all the way to Chicago, the National Weather Service has issued a lakeshore flood warning through tomorrow, with wind advisories for parts of Illinois and Ohio. "We are expecting damaging wind gusts from Illinois to the Carolinas and eastward to Maine” on Tuesday with enough force to knock out power," AccuWeather's Alex Sosnowski warned, noting 20 foot waves on Lake Michigan. 

West Virginia

The weather has brought snow to the area, with winter storm and blizzard warnings in parts of the state. The National Hurricane Center predicts 2-3 feet in the mountains.