After basking in mild air much of this week, a return to colder weather will be accompanied by multiple rounds of wintry mix into early next week around Boston.
While colder air will move in Friday afternoon, any snow will not occur until well after the Friday evening rush hour.
Rain Friday night will become mixed with and change to sleet and snow before ending Saturday morning. Temperatures will start the day near 50, but will fall into the 40s toward evening and plunge into the 30s Friday night.
Just enough snow and sleet can fall late Friday night to coat some roads and sidewalks around the city with an inch or two possible on grassy areas. More substantial snow will fall well north and west of the city, on the order of a few inches.
After a break during the middle of this weekend, during which cold air will settle in, another storm will head in Sunday night.
That second storm Sunday night and Monday will start cold then become warmer, so that snow changes to an icy mix and then to rain around the city.
Roads may be slippery with travel delays likely for the Monday morning commute.
Well north and west of the city, if temperatures manage to stay below freezing, there could be a buildup of ice on trees, power lines, roads and sidewalks, perhaps to the point of causing power outages and very dangerous travel with that second storm.
A third storm system may or may not track close enough to bring a period of snow or wintry mix for a time on Tuesday.
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