4:34PM
Although we are not going to be seeing any major snow and damaging storms in the next several days, we will be seeing some big swings in weather and temperature.
After our little bout with winter, especially inland and higher elevations, the cold air and clouds remained locked in during the day Friday, but it won’t really get any colder tonight. In fact it will go the other way, with a rising temperature as a southerly wind develops ahead of a deepening low pressure area that will pass northwest of southern New England on Saturday. Precipitation will arrive early enough so that some snow/sleet/freezing rain may lead things off later tonight, especially around and outside of Route 495 in areas mostly north of the Mass Turnpike. So conditions in these areas may become slippery all over again for a few hours tonight before the warm air takes over and we just see rain. Elsewhere, rain will move in. And bands of rain will cross the region through Saturday morning. A few of these may have embedded heavier showers of rain with possible thunder. This system looks as if it will be moving fast enough so that the rain cuts off in the early afternoon from west to east, clouds break, and even some sun may appear before it sets. Very mild air will be in place by this time, erasing much of the snow that fell.
An upper trough and a series of cold fronts will cross the region Sunday and Monday, with a trend to colder weather, some rain showers and eventually snow showers, though much of this time will be precipitation-free.
High pressure will build across the East Coast then offshore Tuesday through the middle of next week, with a chilly Tuesday followed by a major warm-up during the middle of next week (always said with not total confidence given the time of year).
Forecast for eastern MA, southern NH, and RI..
TONIGHT: Cloudy. Areas of fog. Precipitation developing from southwest to northeast after 9PM, in the form of rain in most areas except starting as snow and sleet anywhere outside of Route 95 with maybe a mix just inside 95, then snow/sleet/freezing rain continuing for a while especially well north and west of Boston for up to a few hours before turning to rain. Temperature starting out in the upper 20s to middle 30s then rising to the upper 30s to lower 40s during the night, coolest northwest to mildest southeast of Boston. Wind light variable, becoming S increasing to 10-15 MPH.
SATURDAY: Cloudy through early afternoon with numerous rain showers and possible thunderstorms, ending west to east. Breaking clouds and some sun possible mid to late afternoon. High 50-55. Wind S 10-20 MPH shifting to W.
SATURDAY NIGHT: Partly cloudy. Low 30-35. Wind W 10-15 MPH.
SUNDAY: Partly to mostly cloudy. Slight chance of rain showers in the afternoon. High 41-46. Wind W 10-20 MPH.
SUNDAY NIGHT: Mostly to partly cloudy. Low 25-30. Wind WNW 10-15 MPH.
MONDAY: Sunny start and finish, clouds in the middle part of the day with a few passing snow showers possible. High 35-40. Wind NW 10-20 MPH.
TUESDAY: Mostly sunny. Low 17. High 38.
WEDNESDAY: Partly sunny. Low 28. High 54.
THURSDAY: Partly cloudy. Low 39. High 62.
FRIDAY: AM rain showers. Low 40. High 50.