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Boston Weather: 20.0°F | Mostly Cloudy

Pesky Patterns

By Marek Zebrowski
Staff Meteorologist

As weather systems will move very slowly and even tend to retrograde, a broad area of low pressure trough lying just to the east of us bears a careful watch over the next few days. This feature, in combination with a high pressure system over the Canadian Maritimes, will cause a northeasterly flow along the coast, keeping the unsettled weather around. Meanwhile, an arctic high in western Canada will gradually nudge southeastward whilst a potent low gathers strength over the Central Plains late Saturday. As this storm moves towards Great Lakes and St. Lawrence on Sunday, we shall be on the edge of a warmfront, appraoching from the south.For us a warmup is expected next week as the storm passess well to our west and north; simultaneously a cold blast will flood the Southeast, igniting some violent weather there as well.

Today: Partly sunny with thicker overcast near the coast. Raw with highs near 35 F (2 C) and light to moderate north-northeasterly winds

Tonight: Mostly clear with lows near 20 F (-6 C),teens (-11 to -7 C) inland

Saturday: Partly sunny early with increasing cloudiness. High 35-40 F (2-5 C), winds gradually turning to southeast

Sunday: Mostly cloudy and damp. Morning lows near 30 F (-1 C) near the coast, twenties inland (-6 to -2 C), afternoon highs around 40 F (5 C). Onshore winds continuing.