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    Heavy rain and colder temperatures moving in

    After a brief taste of warmth, the weather is going to take a drastic turn today, bringing pounding rain, below-freezing temperatures, and on Wednesday the possibility of snow in some areas, forecasters said.

    “It’s going to rain all day [today], with the bulk of it overnight,” said National Weather Service meteorologist Charlie Foley. “We expect about an inch to an inch-and-a-half of rain, but in the vicinity of thunderstorms we could get two inches-plus.”

    Thunderstorms are most likely tonight in Southeastern Massachusetts, with the influx of steady rain predicted to cause some urban flooding, Foley said.


    Temperatures are also expected to plunge from above normal to below normal in less than a day, with highs hovering in the 40s through Friday.

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    The abrupt drop in temperature and continued precipitation could bring some snow to areas at higher elevations Wednesday, including Worcester and Westwood, though accumulations would be light, Foley said.

    Today was off to a warm but rainy start, with showers expected to intensify through the day. High temperatures should crest near 70 degrees. Some fog could arrive after 5 p.m. as temperatures nearly drop by half, into the mid-30s. Showers should continue overnight, dousing Boston with up to an inch of rain by Wednesday morning.

    “The mild and wet air mass in place now will be replaced with an air mass that is dry and cold as this cold front moves through, so we’ll be back into chilly temperatures,” Foley said. “Some frisky winds will add a little bit to the chilliness.”

    Partly sunny skies will return in most areas Wednesday, though temperatures should crest at a below-average 44 degrees. Skies will remain clear in the evening, as temperatures plunge to 30 degrees.


    Similar conditions will arrive Thursday, with sunny skies and highs near 43 degrees. Some clouds should arrive in the evening as temperatures sink into the mid-30s.

    Friday will be mostly sunny but cold. High temperatures should climb into the mid-40s, with a chance of rain in the afternoon. Skies will become mostly cloudy in the evening, with low temperatures at 39 degrees.

    “We had a little taste of pleasant, mild weather, but it’s going to be gone for a while,” Foley said.

    Catalina Gaitan can be reached at Follow her on Twitter at @catalina_gaitan.