one come from? captioning sponsored by cbs this is the cbs evening news with scott pelley. pelley: good evening. what s knocking on the door of tens of millions of people in the northeast this halloween weekend is no treat. strong wind, freezing rain and snow. snow in amounts new york city hasn t seen this early in more than 100 years. it s part of a storm that s been pushing up for from the deep south and, ready or not, it could dump as much as a foot of snow in parts of new york state and southern new england starting tonight. jim axelrod is in midtown manhattan. jim? reporter: scott, has as 25 million americans could be affected. the winds could gust up to 50 miles an hour and heavy snow expected to knock down trees and power lines from maryland to maine. the snowplow moving through the sunny streets of washington, d.c. may have looked a little out of place today, but that could very well change tomorrow if the brewing snowstorm matches what s forecast. this is a f