Large swaths of the Northeast are under flood watch through Wednesday evening as heavy rain pummels the region. The watch is in effect until 8 p.m. in New York's Capital Region and Hudson Valley, as well as southern Vermont, western Massachusetts and northwestern Connecticut. In New York's Capital Region, Greene County declared a state of emergency in response to flash flooding. A similar location is being set up in Albany County at Albany School of Humanities. Around 3: 30 a.m., they were hit with some very heavy rain, so that by 5 a.m., the street was totally impassable.