Hundreds of New Jersey homes were damaged by flooding Monday​, and many families are just beginning the process of filing insurance claims.

The National Weather Service urged people to avoid travel if a flash flood warning was in place for their area.

EDT the National Weather Service issued a flash flood warning in effect until 5:15 p.m. EDT for Macomb and Oakland counties.

Flash floods are occurring across the U.S., from Texas to New Jersey. Here's what you should know as risks escalate.

A flash flood warning was in effect in New York City until 9:45 p.m., and New Jersey Gov. Phil Murphy declared a state of emergency. Middlesex, Morris and Somerset counties remained under a flood warning until 7:15 a.m. Tuesday.

EDT the National Weather Service issued a flash flood warning in effect until 9:15 p.m. EDT for Alpena County.

Forecasters warned more rain and flash flood risk is expected on July 15 after storms flooded out roads the day before.

A flash food warning has been issued for areas of Middlesex and Somerset counties in New Jersey on Wednesday as strong storms lash the state. The warning is in effect from 6:45 p.m. until 10:45 p.m. for the following counties: Middlesex and Somerset.

Showers and storms are predicted in Columbus and Cincinnati's weather forecast, issuing a flash flood warning by the NWS. Here's how to be prepared

The risk for flash flooding won't just be confined to today, as data shows the risk for flash flooding remaining in place Thursday, Friday, Saturday, and likely on Sunday too. There will be some big gaps in the rain, though, including most of Friday, looking dry and pleasant.