Persistent snowfall

Heavy snow—up to 8 inches—strong winds, and freezing temperatures are forecast to hit 12 states from Tuesday, as the National Weather Service (NWS) warns that drivers should expect slippery roads and “hazardous conditions” which might affect the Tuesday morning commute.
States Affected by Heavy Snow and Freezing Temperatures
The NWS has issued winter weather advisories for parts of Iowa, Nebraska, Alaska, and Missouri, which are likely to mean snow and blustery winds for the affected counties. While freeze warnings are in place for Missouri, Indiana, Kentucky, Ohio, West Virginia, New Jersey, Delaware, Pennsylvania, Maryland, and Virginia, with the worst-affected areas seeing temperatures plummeting to below zero.

Iowa
According to the NWS, parts of southwest, south central, and west central Iowa are expected to get between 2 and 4 inches of snow—with up to 6 inches likely in localized areas—until Tuesday afternoon.

Nebraska
Up to 6 inches of snow could fall across parts of east central and northeast Nebraska by Tuesday afternoon.

Pennsylvania
Berks, Delaware, Lower Bucks, Philadelphia, and western and eastern Chester and Montgomery Counties could see sub-freezing temperatures between 25 and 30 degrees Fahrenheit, while Fulton, Huntingdon, Juniata, Mifflin, Montour, Northumberland, Perry, Snyder, Union, Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon, and York Counties could get down to 24 degrees Fahrenheit, overnight on Tuesday into Wednesday morning, and then overnight Wednesday into Thursday morning.

Alaska
The Kuskokwim Delta Coast, Nunivak Island, and the Western Capes could see up to 4 inches of snow—with local amounts reaching up to 6 inches—and bitter, easterly winds ranging between 25 and 40 mph until around mid-Tuesday morning. The NWS is concerned that the strong winds could result in blowing snow, which will reduce visibility down to less than half a mile at times.
Northern parts of the Bristol Bay Coast could see between 4 and 8 inches of snow by mid-morning on Tuesday, with periods of blowing snow reducing visibility, potentially making travel “very difficult.”

Missouri
Residents in Harrison, Mercer, Putnam, Sullivan, and Worth Counties should expect around 2 inches of snow by Tuesday afternoon, with more expected in local areas, while those in De Witt, McLean, Peoria, Piatt, Tazewell, Woodford, Champaign, Douglas, Edgar, and Vermilion Counties could experience “sub-freezing temperatures” as low as 30 degrees Fahrenheit through Tuesday morning.

Indiana
Parts of central, east central, north central, and west central Indiana are likely to get down to 28 degrees Fahrenheit until around mid-Tuesday morning.

Kentucky and Ohio
Northeast and northern parts of Kentucky, along with parts of central, south central, southwest, and west central Ohio, could see temperatures drop to as low as 27 degrees Fahrenheit through Tuesday morning.

West Virginia
Temperatures could drop to 32 degrees Fahrenheit in parts of central, northeast, northern, southeast, southern, and western West Virginia until Tuesday morning.

New Jersey and Delaware
Lows ranging from 25 to 31 degrees Fahrenheit are expected across parts of northern Delaware and central and southern New Jersey on Tuesday night, Wednesday morning, Wednesday night, and Thursday morning.

Maryland
Central and southeast Howard, central and southeast Montgomery, and southern Baltimore Counties could get as low as 29 degrees Fahrenheit overnight Tuesday into Wednesday morning.

Virginia
Cumberland, eastern Louisa, Fluvanna, Goochland, Powhatan, western Hanover, western Louisa, and Caroline Counties are forecast to get temperatures as low as 28 degrees Fahrenheit; Amelia and Prince Edward Counties could get as low as 30 degrees Fahrenheit, and Amherst, Appomattox, Buckingham, Campbell, Bedford, Botetourt, Roanoke, and Rockbridge Counties could drop as low as 23 degrees Fahrenheit overnight Tuesday into Wednesday morning.