The overall weather pattern begins to show signs of changing later in the weekend as an initial cold front approaches the Mid-Atlantic/Northeast US from the north and then it’ll tend to stall out. A second cold front approaches the area on Monday and then a reinforcing cold front comes later Tuesday which happens to be Halloween Day, October 31st. Much colder air should push into the northeastern states by the time Wednesday, November 1st rolls around and a wave of low pressure could form along the frontal boundary zone along the eastern seaboard supported aloft by an upper-level low. If this low pressure indeed forms, it could produce snow or a mixture of snow, ice and rain across some interior, higher-elevation locations of the northeastern states during the middle of next week.
Looking ahead, it looks like the cold shot next week will be a 2 or 3 day affair with Wednesday and Thursday likely the most impacted days in the Mid-Atlantic/Northeast US. Temperatures could very well drop into the 20’s across the entire region by early Wednesday morning – potentially the coldest levels so far this season. By the end of next week, upper-level trough will be replaced by an intensifying ridge of high pressure and temperatures should rebound noticeably as we head towards the first weekend in the month of November.
Meteorologist Paul Dorian
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