Strong thunderstorms are hitting some areas of New Jersey with heavy downpours, frequent lightning and powerful wind gusts ...

It will be warm and humid Tuesday morning. That high heat and humidity will give rise to the possibility of isolated and ...

Over 161 people remain missing after the deadly flash floods in Texas, Gov. Greg Abbott (R-TX) announced. The number of ...

More than 160 people are still believed to be missing in Texas days after flash floods killed over 100 people during the July ...

Flooding in Texas appeared swiftly and soon turned deadly, showing how deceptively powerful a flash flood can be. Amazingly, ...

At least 13 fatalities were reported Friday as devastating floods slammed Texas' Hill Country with water rescues taking place ...

If there’s a “flash flood watch,” according to the service, flooding is not guaranteed, but conditions are favorable enough for it to be possible, so be prepared to change your plans.

A flash-flood warning is issued when a flash flood is imminent or occurring, the Weather Service said. If you are in a flood-prone area during a flash-flood warning, move immediately to high ground.

Onlookers survey damage along the Guadalupe River after a flash flood swept through the area, Friday, July 4, 2025, in Kerrville, Texas. Eric Gay / AP ...

People usually only have hours of notice in advance. The disaster in Texas was a worst-case scenario.

Flash floods are distinct from floods, which the Weather Service defines as inundation of a normally dry area with rising water from a river or stream. Flooding can last days or weeks, which is ...

Let's start with the basics: Flash flooding occurs when heavy amounts of rain falls in a short period of time -- usually less than 6 hours. Typically, the rainfall rates are 0.5-1.0 inches per hour.