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Boston Weather: 60.0°F | Mostly Cloudy

Weather - Flaky Valentine


Flaky Valentine

By Marek Zebrowski
Staff Meteorologist

A high pressure system departing our shores early on Friday will allow a series of low pressure systems to move up the coast, from Gulf of Mexico to the Gulf of Maine. Moisture associated with the first wave will reach eastern New England before cold air is replaced by a developing southerly surge in all levels. Thus, a period of snow is expected, followed by a change to rain from east to west. Moisture may linger Friday night in wake of the departing storm, especially in coastal locations. The next system will lift off the Carolina Capes by early Saturday, continuing the unsettled pattern into early Sunday, when colder air and clearing will rush in on northwesterly winds.

There are further indications of another wave (with limited moisture this time), developing along the arctic boundary and racing towards New England late on Sunday, before a more tranquil and milder weather arrives after the long weekend.

Today: Cloudy with morning snow, changing to rain by afternoon. Inland portions will have a moderate snowfall, followed by a period of freezing rain. Accumulations in town will be about 2 in. (5 cm) of snow before changeover to rain occurs. High near 40F (4C) in town, with onshore winds strengthening throughout the day.

Tonight: Cloudy with leftover light rain or drizzle. Some icing inland, as temperatures gravitate back towards 32F (0C)

Saturday: Cloudy and unsettled with more precipitation likely, rain near the coast, a wintry mix inland. High 41F (5C)

Saturday night: Becoming partly cloudy. Precipitation ending from west to east with a scattering of flurries or an isolated snowsquall. Turning colder with lows near 26F (-4C)

Sunday outlook: Fairer skies followed by rapidly advancing high clouds. Seasonable highs in mid 30s (13C); lows in mid 20s (-5 to -4C)