For some parts of the U.S., those planning outdoor activities for Memorial Day weekend might have to come up with a plan B. A ...

A popular vacation area will face drenching rain and thunderstorms throughout Memorial Day weekend, with inches of rain raising the risk of dangerous flash flooding, AccuWeather meteorologists warn.

Dangerous flash flooding threatens millions of people across multiple states on the East Coast, with dozens needing to be ...

Flooding was reported in several states, including Pennsylvania, Maryland, Virginia and West Virginia, from a massive storm ...

Philadelphia region transitions from daytime flash flood warnings to overnight coastal concerns as multiple counties brace ...