Rain Expected This Afternoon. Gusty Winds, Some Downpours, This Evening

Low pressure advancing quickly northward toward the area will pass through Southern New England this evening and lift into the Gulf of Maine tonight. As mentioned yesterday, this track ensures that much of the upcoming storm’s precipitation will fall in the form of rain here on the Cape.

Expect showers – perhaps starting as some light snow or a mix of snow, sleet and rain – to develop during the midday and early afternoon hours and for precipitation to transition to a steady cold rain over the course of the afternoon.

As we get into this evening and move through the first half of the night rain will continue around the area and busy south winds will develop – pushing temperatures to 45 to 50F. Precipitation will shift east of the region late tonight and colder air will build back into the region by morning (perhaps leading some pockets of black ice).

One thing we’ll need to monitor is a potential quick moving line of downpours along the cold front tonight. Most short-range high resolution model guidance clearly depicts this feature crossing the Cape (and most of southeastern New England) tonight. Given winds aloft will be blowing quite hard at the same time, we’ll have to watch for any strong wind gusts with the embedded downpours associated with the squall line.

Original Image Courtesy WeatherModels.Com

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