NBC News correspondent Morgan Chesky remembers the first moment when he came face-to-face with the enormity of the disaster ...

Heavy rainfall swept across North and Central Jersey July 14, leading to road closures, power outages and flash flooding.

One of the worst floods in a Texas rivers' history left dozens dead over the Independence Day weekend. What to know about ...

Straighter, smoother streams flow more violently than those that meander due to a reduction in friction. Areas with steeper ...

Watch out for localized heavy downpours on Wednesday afternoon, which could lead to flash flooding, especially in low-lying ...

A system was detected off the Atlantic Coast of Florida and is expected to move into the northern Gulf Coast and develop into ...

The flooding that killed dozens and left others missing Friday in Texas Hill Country was unexpected and terrifying.

Torrential rain flooded creeks, streams and the Guadalupe River, where the water swelled more than 26 feet in 45 minutes.

More than a dozen "1,000-year floods" in just three days. That number has stunned even veteran meteorologists. From Texas to ...

The heavy rain that turned a river in Texas into a raging wall of water was fueled by unique atmospheric conditions, ...

As droves of tourists continue to flock to Spain for European summer vacations, the nation’s emergency responders are dealing ...

Recent flash flooding events have claimed lives and damaged property in Texas, North Carolina, Illinois and New Mexico. While ...