The wet, dreary, unsettled week will continue with rain developing across most of New England this evening and into the overnight hours. Much of the region will see showers falling at or near 7pm tonight. This precipitation will be plain rain for the entire region, with the exception of the high elevations of northern New England.
As the rain starts falling, cold air will sag into the region from north to south. Once the colder air arrives, the rain will change to a mix of freezing rain, sleet and snow. The changeover is expected by late Wednesday night in northern Vermont, New Hampshire and Maine and will slowly progress southward throughout the early morning hours until it reaches the Worcester Hills and the Berkshires of Massachusetts by 7-10am Thursday. Total ice accumulations are expected to range from .01 to .1 inches, with the most expected north of Lake Winnipesaukee. Up to .2 inches of ice is possible across northern Vermont.
A Winter Weather Advisory has been posted for this ice and mix potential for all of Vermont and New Hampshire (with the exception of the immediate coast), eastern Maine and Massachusetts north and west of Boston (with the exception of the coast as well as Hampden and Hampshire counties). Areas outside of the advisory are expected to see plain rain the entire time or no precipitation during the advisory time.
The good news about Thursday's weather is that the precipitation will be winding down as it changes over to ice, which is why a full blown ice storm is not anticipated. Hence why the region has a 'winter weather advisory' and not a more serious alert at this time. Plain rain will come down steadily overnight before the temps drop to a point where mixing is possible.
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