“Scattered snow squalls to create dangerous travel from the interior Northeast to northern/central New England through Friday…Dangerously cold Arctic air spills out over the Great Plains and Eastern US through the weekend…Major Winter storm to bring crippling ice and sleet to portions of the Southern Plains and Lower Mississippi Valley Friday… A potent mid-level trough pivoting through southeastern Canada will continue producing lake effect snow showers downwind of the Great Lakes through Friday. In addition to the lake effect snow, snow showers and snow squalls are likely to develop behind the associated strong surface cold front moving through the Northeast today, with a second round of snow squalls possible on Friday,” says an NWS bulletin
“The first round of snow squalls is likely to develop across Upstate New York this morning before moving through New England, with multiple rounds of snow squalls possible in some areas. The second round is expected Friday afternoon and should move steadily west to east across the region.”