For The Rest Of This Afternoon & Tonight: A cold front is expected to push through the area late this afternoon into early this evening.
Widespread rain showers will overspread the entire area by about 3 pm this afternoon and then continue through the late afternoon and early evening hours. These rain showers will come to an end by about 9-10 pm this evening.
Once the cold front moves through, the winds will shift to the northwest and some breaks in the clouds can be expected by after midnight tonight.
Temperatures the rest of this afternoon will be around 40 Degrees. Low temperatures tonight will be near 30 Degrees.
Winds throughout the rest of this afternoon will be South at 10 to 20 mph with gusts to 30 mph. Winds tonight will be Southwest at 5 to 10 mph before midnight and West to Northwest at 5 to 10 mph after midnight.
4 To 8 Inches Of Snow Accumulation Is Expected From Sunday Afternoon Through Sunday Night Across All Of Western & Central Mass: It now looks very likely that a widespread 4 to 8 inch snowfall can be expected across all of Western and Central Mass from Sunday afternoon through Sunday night.
An area of low pressure riding along a frontal boundary will move to the area around Nantucket and the outer Cape during Sunday evening before heading northeastward towards Nova Scotia by late Sunday night.
Precipitation in the form of a rain-snow mix is expected to overspread Western Mass by about 1 pm or so Sunday afternoon. A rain-snow mix then looks to begin across Central Mass by about 2 pm or so Sunday afternoon.
This rain-snow will be very short-lived and it is likely to be snowing everywhere across Western and Central Mass by about the 3-4 pm time frame.
The snow is then expected to continue through the rest of the late afternoon hours of Sunday right through all of Sunday evening. It is expected that the snow will fall at a moderate to heavy intensity at times during Sunday evening.
During the after midnight hours of Sunday night, it looks likely that while light snow should continue, it will gradually taper off and end from southwest to northeast. All snow should be done by 4 am Monday morning across the entire area.
Temperatures are still expected to crash during Sunday evening as Arctic air pushes into the region. This means that wet surfaces from the initial rain-snow mix will flash freeze leading to the development of very icy conditions during Sunday evening. These very icy conditions will combine with the snow accumulating on top of the ice to lead to some extremely slick conditions throughout Sunday night.
My snowfall forecast for this storm can be found with the map attached to this post. Overall, I am expecting a 4 to 8 inch snowfall, but there is the possibility for localized amounts of up to 10 inches in areas that see persistent banding of moderate to heavy snow during Sunday evening.
Again, be aware that the snow will be accumulating on top of some very icy ground conditions leading to some potentially extremely slick travel and walking conditions throughout all of Sunday night. These very icy conditions will likely persist through much of Monday.
Temperatures on Sunday will reach 35 to 40 Degrees during the early afternoon hours. Temperatures will then crash to the 25 to 30 Degrees by late Sunday afternoon and early Sunday evening and then continue to drop to near 20 Degrees by midnight reaching 10 to 15 Degrees by sunrise Monday morning.
Winds on Sunday will be North at 8 to 16 mph. Winds on Sunday night will be North to Northwest at 10 to 20 mph with gusts to 30 mph.
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