National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. 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.