Freezing temps in the 20s, power still out for millions in Sandy-hit areas Power was restored to lower Manhattan and some other areas overnight and Saturday, but it was still lights out for 2.5 million homes and businesses as temperatures were dipping into the 20s in communities like hard-hit Rockaway and the entire region braced itself for a potential nor'easter next week. Overnight lows will be around 28 degrees F in Rockaway, 38 in New York City and 33 on parts of Long Island, NBCNewYork.com reported. Even in areas with temps above 30, 15-20 mph winds will make it feel like it's in the 20s. Temperatures Sunday and Monday were expected to be even colder before rising again on Tuesday. Chances for a slow-moving nor'easter, meanwhile, are "increasing," the National Weather Service's prediction center said in a Saturday morning update. Expected to be felt in the Northeast on Wednesday and Thursday, the storm would not be anywhere as destructive as Superstorm Sandy, but could cause some new erosion and hinder recovery efforts. "The general impacts will include another round of brisk winds, rainfall and chilly temperatures for the recovery areas along the coast," weather.com winter weather expert Tom Niziol posted in a Saturday update. He expected 1-2 inches of rain in coastal areas and 25-30 mph gusts on Wednesday, adding that the forecast could change. "We do not expect the impacts to 'break anything that is not already broken'," he added. Consolidated Edison, a utility battling what it called the worst natural disaster in its history, restored electricity to New York City neighborhoods such as Wall Street, Chinatown and Greenwich Village in the pre-dawn hours. The Home Depot has sent 5,000 truckloads of supplies into the East Coast since last Tuesday. Getting essentials to stores in ravaged communities takes a team of people working in what they call a "War Room." NBC's Gabe Gutierrez reports. With collapsed roads and destroyed homes along the New York area shore, the changes have altered the coastline and accelerated beach erosion. NBC's Kerry Sanders reports. In a city devastated by Sandy, holding a race through five battered boroughs just seemed like the wrong idea, according to officials. "I think there's a thin line between demonstrating resilience and being insensitive," one runner said. Moving to ease fuel shortages, the Obama administration directed the purchase of up to 12 million gallons of unleaded fuel and 10 million gallons of diesel, to be trucked to New York and New Jersey for distribution. With hundreds displaced by the storm, crucial necessities are being supplied to those hit hardest by Sandy by FEMA, the Red Cross and the National Guard. NBC's Michelle Franzen reports. Experts say flooding in the Big Apple can be prevented in the future by building seawalls, levees or gigantic surge barriers. NBC's Richard Engel reports.