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

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

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

New York is cleaning up and trying to dry out after Monday night's torrential rains caused flash flooding and damage.

MTA Chair and CEO Janno Lieber said that about 16 million gallons of water were pumped from the subway system on July 14

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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.

The heavy downpours wreaked havoc across the city with footage showing commuters overwhelmed by floodwaters in various subway stations.