Weather

More than 200 million people were under some form of winter weather advisory or warning on Friday, the National Weather Service said.

Nationwide, thousands of flights were canceled or delayed. In some places, temperatures dropped more than 30 degrees in an hour.

Here are some actions drivers can take to better protect themselves and their families in winter storms, which can turn deadly for vulnerable people, per preparedness experts.

Regions across the U.S. are expected to get record low temperatures, wind chills and heavy snow, which could make for dangerous conditions for travel and simply being outside.

A Winter Weather Advisory is in effect until 11 a.m. for western Chester, upper Montgomery and upper Bucks counties.

And the below-freezing temps won’t even come with snow.

Authorities say three people are dead in Louisiana and several others have been hurt as a destructive storm system has kicked up tornadoes in the South.

AccuWeather says we have another chilly day before tomorrow's storm threatens to bring an icy mix for some during the morning commute.

People are asking questions about a storm protection proposal for New York and New Jersey that would be among the most massive and costly flood control projects ever done.

The study is expected to inform solutions to keep Philadelphians safe from dangerous heat waves made worse by climate change.

Tropical Storm Isaias damaged hundreds of homes in Philly. In low-lying Eastwick, residents are still recovering.

Hurricanes. Tornadoes. Blizzards. Flooding. Over the past 20 years, we’ve seen a staggering increase in extreme weather events, res ...

Heavy rain and winds are possible for the Philadelphia metro Friday as remnants of Hurricane Nicole are expected to sweep through the area.

After a fairly dry summer, strong rains from the remnants of Hurricane Ian have helped restore Philly-area reservoirs, leading to an end of the drought watch.

Atlantic City is one of the poorest and most densely populated parts of the N.J. coastline. But city leaders have no plans to buy and demolish homes in flood-prone areas.