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Boston Weather: 49.0°F | Overcast

Weather: Atoning for Low Snowfall

By Michael J. Ring
STAFF METEOROLOGIST -- After receiving nearly 17 inches of snow from a single snowstorm in early December, it is surprising to find that the total snow accumulation for the season in Boston is currently lagging about nine inches below the climatological average. But two systems this week will probably more than make up for that gap.

Yesterday, a low pressure system pushed eastward from the Midwest to the mid-Atlantic region and is forecast to grow and move up the coast today.

With the center of the low forecast to pass southeast of Nantucket, we will be on the cold side of the system, and with colder air now present above us in the middle troposphere we will mainly see snow from this system. At this time accumulations of half a foot or more appear likely in the Boston area.

Thursday will be a day of respite from the wintry weather before the next storm moves up the coast on Friday. While there is naturally more forecast uncertainty surrounding this more distant event, another half-foot of snow appears entirely possible at this point.

Extended Forecast

Today: Snow developing this afternoon. High near 35°F (2°C).

Tonight: Snow; may be heavy at times. Some mixing with sleet possible. Low near 27°F (-3°C).

Wednesday: Snow ending during the day. Six to nine inches total accumulation. High near 30°F (-1°C). Low near 20°F (-7°C).

Thursday: Mostly cloudy. High near 35°F (2°C). Low near 27°F (-3°C).

Friday: Snow likely. High near 35°F (3°C).