AccuWeather

• Will it snow this week in Westchester, Rockland, Putnam? See forecast - When will it snow again in the Lower Hudson Valley? There may be a slight chance we could see more of the white stuff the week of Dec. 8.
• Triple polar vortex sends temperatures plunging in central and eastern U.S. as 1st Arctic cold blast moves in - The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.
• Triple polar vortex to plunge central and eastern U.S. into Arctic cold through mid-December - The first cold snap is happening this week.