Snow will streak into Chicago and Detroit Friday then on to Boston and part of the New York City metro area Saturday.
After a disturbance with light snow and flurries sweeps from the northern Plains Thursday to the interior Northeast Thursday night, a storm with more snow will travel eastward over much of the same area spanning Friday and Saturday.
The storm, part of a train of systems hitting the Northwest hard with snow, will climb out of the northern Rockies Thursday evening to spread up to a few inches of snow across southeastern Montana, much of South Dakota, southern Minnesota and northern Iowa Thursday night into Friday morning.
The storm's next stop will be areas from northern Illinois and southern Wisconsin to southern Lower Peninsula of Michigan, southwestern Ontario and northern Indiana and Ohio during Friday.
As the storm progresses eastward over the Upper Midwest and into the Northeast, it will begin to grab some moisture first from the Gulf of Mexico then the Atlantic Ocean. As a result, a narrow band of moderate to heavy snow is likely to take shape.
As a result, snowfall amounts are likely to be more than what you can sweep off with a broom or leaf blower. Shovels or plows will be necessary in areas from about northern Iowa and continuing on to southern New England.
The storm will affect northern Pennsylvania and much of upstate New York Friday night into Saturday morning, then during the day Saturday from northern New Jersey to central and southern New England.
South of this track, over the central Plains and along the Ohio River, the precipitation will tend to be light and intermittent or even mixed with rain.
Farther east from northern West Virginia to northern Maryland, southeastern Pennsylvania, central New Jersey, Long Island and Cape Cod, a wintry mix seems to be in order with a snow-changing-to-rain scenario. Cities that fall within this regime include Morgantown, W.Va., Philadelphia, New York City and Providence, R.I.
South of this swath, rain will fall with a dash of sleet or some snowflakes at the onset around Washington, D.C., and Baltimore. However, conditions will get progressively more slippery if you were to drive through the suburbs farther north, especially around Philadelphia and New York City.
It is possible that a trailing disturbance could bring a change from rain to snow over the mountains in West Virginia, western Virginia and western Maryland Saturday afternoon and evening.
Which Cities Are Candidates for Half a Foot of Snow?
A shift in storm track, particularly the upper-level disturbance associated with the feature, will determine how far north-south the band of heavy snow will set up.
Our most likely choices for enough snow to shovel and plow are Chicago, Fort Wayne, Detroit, Toledo, Cleveland, Erie, Scranton, Albany, Binghamton, Poughkeepsie, Hartford, Worcester, Boston and Portsmouth.
Additional storms with snow for the northern tier will follow through the end of the month.
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