DAYS 1-5 (DECEMBER 15-19)<\/p>\n\n\n\n
The weather pattern of fast-moving features rolls on, but also shifts its orientation during the course of the next 5 days. This will be driven by the formation and strengthening of high pressure over Alaska and Greenland, and a weakening of the southeastern US ridge. This will allow a trend to colder weather to be more persistent in the medium term, which we will start to feel at the end of this 5-day period (or over the upcoming weekend). Before we get there though, one more storm system passing to our north will drag a warm front through the region tonight, preceded by increasing clouds today, and accompanied by a period of precipitation (mostly rain except maybe brief mix far inland higher elevations). The warm front will be followed by an unseasonably mild Thursday in which some areas may reach or just surpass 60, but not likely high enough to break any records. Lingering cloudiness early and the short daylight are limiting factors in getting the temperature to reach record-breaking levels, in my meteorological opinion. Records or not, the mild air will then be knocked down in 2 stages, first by a weak cold front Thursday night which may be accompanied by a brief passing rain shower, and likely prevent another run at 60 on Friday (50s being the rule), and then by a second cold front that comes through with no fanfare other than a bigger temperature drop Friday night into Saturday. At the same time the next low pressure system will be coming along from the Midwest, destined to take a track much further south than its predecessor (somewhat similar to the one that produced snow for parts of the region last Wednesday). This low does not look like it will be all that strong, but will carry enough moisture for a period or two of precipitation, current window looking like midday Saturday to early morning Sunday. There will be a rain\/snow line to work out, but right now, this event being on day and early day 5 of the forecast, the only thing I can semi-safely say is that the system brings the potential (potential, not certainty) for a light to moderate snowfall for parts of the region this coming weekend. Fine-tuning to come of course…<\/p>\n\n\n\n
TODAY: Increasing clouds. Highs 41-48. Wind E up to 10 MPH.<\/p>\n\n\n\n
TONIGHT: Cloudy. A period of rain possible, except some snow and freezing rain possible across far north central MA and southern NH away from the Seacoast. Lows 31-38 evening, then slowly rising temperature overnight. Wind SE under 10 MPH shifting to SW.<\/p>\n\n\n\n
THURSDAY: Partly sunny. Highs 54-61. Wind SW 10-20 MPH, higher gusts.<\/p>\n\n\n\n
THURSDAY NIGHT: Partly cloudy. A passing rain shower possible. Lows 38-45. Wind SW 10-20 MPH, shifting to W, with higher gusts possible.<\/p>\n\n\n\n
FRIDAY: Sun\/cloud mix. Highs 51-58. Wind W 10-20 MPH, diminishing.<\/p>\n\n\n\n
FRIDAY NIGHT: Increasing clouds. Lows 25-32. Wind N under 10 MPH.<\/p>\n\n\n\n
SATURDAY: Cloudy with a chance of rain\/mix\/snow. Highs 32-39. Wind NE 5-15 MPH.<\/p>\n\n\n\n
SATURDAY NIGHT: Cloudy with rain\/mix\/snow likely. Lows 30-37. Wind NE 5-15 MPH.<\/p>\n\n\n\n
SUNDAY: Cloudy with a chance of rain\/mix\/snow early, then clearing. Highs 33-40. Wind N 5-15 MPH.<\/p>\n\n\n\n
DAYS 6-10 (DECEMBER 20-24)<\/p>\n\n\n\n
A colder pattern with a couple systems (clippers or otherwise fairly weak systems) bringing opportunities for precipitation (including snow chances).<\/p>\n\n\n\n
DAYS 11-15 (DECEMBER 25-29)<\/p>\n\n\n\n
Similar pattern of frequent but not too powerful systems, but additional opportunities for frozen precipitation exist during this time frame.<\/p>\n","protected":false},"excerpt":{"rendered":"
DAYS 1-5 (DECEMBER 15-19) The weather pattern of fast-moving features rolls on, but also shifts its orientation during the course of the next 5 days. This will be driven by the formation and strengthening of high pressure over Alaska and Greenland, and a weakening of the southeastern US ridge. This will allow a trend to … Continue reading Wednesday December 15 2021 Forecast (7:35AM)<\/span>