An impressive snowstorm is underway across the mid-Atlantic with measurable snow in and around the Washington, D.C., area.  

A swath of 4 to 8 inches will be possible through the D.C. area into southern New Jersey.   

Expected snowfall totals in the East Coast.

Expected snowfall totals in the East Coast. (Fox Weather)

Heavy snow will pile up across the higher elevations with over a foot before the storm quickly exits the coast. 

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As the cold front slams into warmer air ahead of it, we also have the risk of strong to severe thunderstorms for parts of the Carolinas.  

Damaging winds and a few tornadoes will be possible. 

The national forecast for Monday, Jan. 3.

The national forecast for Monday, Jan. 3. (Fox Weather)

Cold air has plunged as far south as coastal Texas and the Western/Central Gulf Coast.   

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Expected snowfall totals this week in the Northwest.

Expected snowfall totals this week in the Northwest. (Fox Weather)

A reinforcing shot of arctic air moves in midweek. 

The Northwest remains active this week with a series of storms moving in and bringing heavy rain along the coast and snow for the mountains.