The National Weather Service forecasts severe storms and potential flash flooding in Pittsburgh starting Sunday.

Miami faces a week of potential downpours and thunderstorms with high heat indexes; a tropical disturbance may increase ...

Several flood warnings and watches were issued across Central Texas on Sunday, including in the areas inundated by deadly flooding last week.

Storms on Monday afternoon could include heavy rain and trigger flash flooding parts of New Jersey, forecasters say.

The most widespread storm activity is expected Sunday afternoon and evening, with a potential for localized heavy rainfall that could lead to flash flooding, particularly in eastern Pennsylvania.

The risk of the catastrophic flooding that struck Texas Hill Country as people slept on July 4 and left at least 120 dead was ...