Forecast discussion: Throughout the day, Boston was at risk to see periods of heavy rain and strong thunderstorms. During the middle of Monday-morning a large cell of thunderstorms moved just north of Boston. The radar imagery was beginning to show some clouds rotating. By about 9:45 a.m., a rotor cloud began to drop from the skies. The National Weather Service has confirmed a tornado touched down in the town of Revere, MA. It created damage to homes and cars, as well as flooded some streets. It has been confirmed recently that the tornado was an EF-2 tornado with wind speeds of up to 120 mph. You can read more about the story and see photos of the damage by clicking here.
We still had a Severe Thunderstorm Watch in effect for the capital city until 8 p.m. Monday. However, as we move through the overnight, the cold front will move out of Connecticut and offshore. High pressure ridging behind the front will bring less humid air and bright sunshine to eastern Massachusetts right into Thursday.
As I have mentioned in previous forecasts, the American model keeps a low pressure center over eastern Canada on Thursday. It still appears some moisture may work its way down into New England. So, I have kept the chance for a widely isolated shower for Thursday night. Otherwise, we will remain dry right through Friday evening.
As we look towards the weekend, the computer models still disagree on when a weak cold front will bring precipitation into Southern New England. The European model feels we will see showers all day on Saturday, with isolated showers into Sunday afternoon. The American model has been more consistent, keeping showers away from us until Saturday evening. Since the American model has been slightly more consistent the last few days, I will continue to call for some showers Saturday night. The weak front would then move offshore by early Sunday morning, giving us a nice day to finish the weekend.
We would begin the new workweek with mostly sunny skies, as high pressure will bring dry weather into the eastern U.S. Also, the large upper level trough that has brought below normal temperatures for the last several days will begin to move north. This will allow for some tropical air from the south to move toward New England, helping to raise our temperatures into the lower to middle 80’s.
72 hour forecast:
Tonight: Mostly cloudy with a passing shower or thunderstorm until midnight. Clearing skies after 2 a.m. expected. We will see a low of 65.
Tuesday: Mostly sunny and less humid with a high of 79. Winds will come from the west-northwest at 9-12 mph.
Fenway Park Forecast (7:10 p.m. vs. Toronto): Partly cloudy, 73.
Tuesday night: Partly cloudy with a low of 62. Winds will come from the west-southwest at 5-8 mph.
Wednesday: Mostly sunny with a high of 80.
Wednesday night: Partly cloudy with a low of 62.
Thursday: Partly cloudy with a high of 80.
Thursday night: A widely isolated shower possible; otherwise, partly cloudy with a low of 64.
Friday: Mostly sunny. Highs 79-82, lows 63-66.
Saturday: Partly sunny with possible showers by the early evening. Highs 78-81, lows 63-66.
Sunday: Showers end by the early morning, and becoming partly to mostly sunny. Highs 79-82, lows 63-66.
Monday: Mostly sunny. Highs 82-85, lows 63-66.