The snow pack shrunk considerably over the weekend with the mild temperatures and occasional sunshine. We will have more of the same for Monday as the mild temperatures continue and a partly sunny sky prevails. The high pressure ridge that gave us a fairly nice early March weekend will slide offshore through Monday. Meanwhile, low pressure moves northeast across the Great Lakes into Ontario, with the attendant cold front crossing the metro Boston area later Tuesday night. Ahead of the front we can expect a period of rain to develop Tuesday that should be with us into the overnight. With the possibility of a weak wave of low pressure forming along the front comes the possibility of imbedded heavy showers at times. Overall, an inch or so of rain could fall through Tuesday night. With the melting snow and possible heavy rain there is a chance of some localized street flooding during the afternoon and evening hours.
Wednesday may be slow to clear out, especially along the coastal plain, with a secondary cold front pushing through. This could trigger a snow or rain shower before skies partially clear at night.
The second half of the week looks to be cooler but with generally fair skies as it stays storm free through Friday. The skies will average out partly cloudy from Wednesday night into Friday night. An upper level disturbance may get hung up over northern New England mid to late week. If so, this will rotate clouds and an afternoon rain or snow shower would be possible toward weeks end. It should not be a big deal, if it happens at all, but something that could cause a brief disturbance in the otherwise tranquil weather trend later in the week.
Although we start out on the milder side of average this week, running some 5 to 10 degrees above normal, the mercury will slide back to more seasonal readings Wednesday and slightly below normal to end the work week.
All in all not a bad week of weather for the second week of March and certainly an improvement from what we experienced for most of last week. In case your wondering, a year ago this week we had a few days where temperatures reached near or into the 70s.
Five Day Outlook:
Monday: Partly cloudy and mild. High temperatures 49 to 53 degrees. Winds south 5 to 15 mph.
Monday night: Increasing clouds. Lows 38 to 42. South winds 5 to 15 mph.
Tuesday and Tuesday night: Periods of showers that could become heavy at times. Areas of fog. Highs 50 to 54, overnight lows 35 to 39. Southeast winds of 10 to 20 mph will shift to west later at night.
Wednesday: Mostly cloudy, with a chance of a rain or snow shower. Becoming partly cloudy by late afternoon. Slightly cooler, highs 46 to 50.
Wednesday night: Partly cloudy and chilly. Lows 27 to 31.
Thursday and Friday: Generally partly cloudy, with a slight chance of a brief afternoon rain or snow shower. Cooler, highs 37 to 41. Lows 24 to 28.
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