Heavy rains during the evening brought flooding, road closures and power outages throughout New Jersey, which is under a state of emergency.

The extreme rainfall that occurred in the Northeast on Monday could happen more often in the future as a result of climate change, research shows.

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

Millions across the Northeast and Mid-Atlantic remain under flash flood warnings early Tuesday as slow-moving summer storms bring heavy showers to the East Coast, impacting transportation and leaving people stranded in vehicles on waterlogged roads.

Atlantic, Hill Country, Texas, central Florida, southern Arizona, and the Upper Midwest are at risk for more flooding rainfall on Tuesday.

Heavy rain caused flash flooding and road closures around the Lehigh Valley on Monday evening as storms made their way through. More rain is expected this week.

After seeing properties flood last fall from afternoon rainstorms, Mayor Diezel Depew knew he had no time to waste. For months, his staff has worked to widen retention ponds, clear culverts and armor canals to keep water flowing.

New Jersey is expected to miss the heaviest rainfall in the latest round of thunderstorms on Tuesday, but more flash flooding is possible.

As the water rises, so does the Kerr County community, especially one man who reunited a brother and sister, swept away in the flood.