Weather

When temperatures feel near or below 20 degrees Fahrenheit, Philadelphia officials will declare a Code Blue. Here’s what that means, and how you can help.

The intense cold will come in several waves and stick around for at least the next 10 days.

Municipalities will be able to get help on science and planning from state and federal governments but should expect to do most of the work on adaptation by themselves.

A “Code Blue” declaration is made in the county when winter conditions pose a threat of serious harm or death to individuals without shelter.

Eastern cities such as New York and Philadelphia rank far higher on the risk for tornadoes than tornado alley stalwarts Oklahoma and Kansas.

Tens of thousands of people were without power Christmas morning after a gut-punch of a storm packing strong winds and heavy rain walloped the region.

Addison Street lights? Sledding on the Art Museum steps? Check and check.

New Jersey State Police said that they have responded to 207 car crashes and 426 motorist aids since Wednesday morning.

A final band of snow is moving out of Philadelphia, the suburbs, Lehigh Valley and central New Jersey Thursday morning.

For K-12 students this year, even with powder still coating parts of the region Thursday morning, the snow days of yore seem to be slipping into a tale from time’s past.

Pennsylvania’s top meteorologist says Wednesday’s winter storm is a big one for parts of the commonwealth.

To keep up with the latest information as the storm progresses, follow 511PA via its traveler information website and mapping tool.

The New Jersey Department of Transportation has issued a commercial vehicle ban on seven interstate highways starting at 1 p.m. 

A nor'easter is nearing the Philadelphia region, and its impacts should vary greatly from neighborhood to neighborhood.

Snow and heavy precipitation may cause widespread power outages, followed by a significant drop in temperatures later this week.