Forecast discussion: Boston began to warm up Saturday afternoon, after bitterly cold temperatures swarmed all over New England. The official low temperature at Logan Airport Saturday morning was two degrees. At Warwick, RI, T.F. Green Airport reported a low of three below zero. Parts of northwestern Rhode Island had readings of 5 to 10 below zero.
The good news is that Saturday night will not be a three blanket night. Some milder air has been slowly moving north, thanks mostly to the switch to southwest winds. Lows during the overnight will be in the lower 20’s. As we head into Sunday, we will continue to have southwest winds. This will also help bring more moisture over the area, leading to overcast skies. We will even see some rain showers beginning by the mid-afternoon. Precipitation will become heavier Sunday night into Monday, as a strong cold front inches its way closer to the east coast.
During Sunday night, temperatures will actually rise, making it almost balmy as you head to work or school on Monday. However, do not pull the Bermuda shorts out just yet. The strong cold front will be passing through eastern Massachusetts by the afternoon, and our temperatures will plummet through the afternoon. Any precipitation will end as snow showers Monday night, before skies begin to clear.
Once again, another blast of Arctic air will stay over the region. High temperatures on Tuesday will struggle to reach 20 degrees. We will be go to single digits Tuesday night, before temperatures slowly rise by the middle of the week to seasonable conditions. A weak frontal boundary will bring the chance of snow showers by Thursday evening. Any precipitation will end by Friday morning. The computer models are unsure of how to handle a low pressure system in the Ohio River Valley for next Saturday. Some models keep precipitation making it to Virginia, while the American model brings precipitation all the way into New England. At this time, I have low confidence in the forecast after Friday afternoon.
72 hour forecast:
Tonight: Partly cloudy skies and not as cold with a low of 23.
Sunday: Increasing clouds through the morning with rain showers by the mid-afternoon. We will see a high of 39. Winds will come from the southwest at 6-9 mph.
Sunday night: Light to moderate rain and patchy fog with a low of 41 with temperatures slowly rising. Winds will come from the southeast at 10-13 mph.
Monday: Rain/showers changing to snow showers by the evening commute. We will see a high of 47 before temperatures drop throughout the afternoon.
Monday night: Snow showers end by 8 p.m. and skies will clear. It will be much colder with a low of 15.
Tuesday: Partly sunny and very cold with the high only reaching 18.
Tuesday night: Mostly cloudy with a low of 9.
Wednesday: Partly to mostly sunny with possible ocean effect snow showers along the Cape and Islands during the day. Highs 23-26, lows 16-19.
Thursday: Partly sunny until the early afternoon, with possible snow showers by the evening commute. Highs 32-35, lows 24-27.
Friday: Overcast with a passing snow/rain shower in the morning, before mostly sunny skies in the afternoon. Highs 36-39, lows 26-29.
Saturday: Partly sunny with possible showers by the evening. Highs 40-43, lows 31-34.