Motorists are urged to use extra caution with any icy spots on the road surfaces, especially untreated surfaces, the National Weather Service said in a Special Weather Statement issued just before 8 a.m. Saturday.
Following a sunny start on Saturday, clouds will roll in later in the morning on a day in which the high temperature will reach around 40 degrees.
Rain will sweep through the area Saturday night, arriving around 9 p.m., and continue into Sunday, with a wintry mix farther north and snow in northeast New England.
Overnight rainfall of up to three-quarters of an inch of rain is possible.
Rain continues Sunday, with thunderstorms possible after 9 a.m. and with areas of fog. Another half-inch of rainfall possible.
Temperatures will dramatically rise on Sunday with one of the warmest days in weeks in store as the high temperature will hit the mid- to upper-50s. The chance for rain and storms continues throughout the day, but most of the rain should end by noontime.
Monday will be partly sunny with a high in the low-50s.
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