National Weather Service United States Department of Commerce

Severe Thunderstorms, Arctic Blast Set to Arrive on Thanksgiving; Dangerous Wind Chills, Lake Effect Snow

Strong to severe thunderstorms are possible across the Southeast. A significant arctic outbreak will arrive in the northern Plains on Thanksgiving and advance farther south and east on Friday into the weekend. Dangerous wind chill temperatures are expected with heavy lake effect snow downwind of the Great Lakes. Read More >

County Warning Area
 

Our forecast area, or County Warning Area (CWA), is highlighted in the picture below.

Our CWA consists of ten counties in eastern Pennsylvania, sixteen counties in New Jersey,

five counties on the upper Eastern Shore of Maryland, and all three counties in Delaware.

This area includes the cities of Philadelphia, Allentown, Atlantic City, and Wilmington, and

is home to approximately 11.1 million people.