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

New Jersey is under a state of emergency after a flash flood caused at least two deaths in Plainfield and damage across Union County.

Officials in one county told residents to only dial 911 for life-threatening emergencies Monday night, according to a social media post from officials.

Camp Mystic's executive director began evacuating campers approximately 45 minutes after the National Weather Service issued a "life-threatening flash flooding" alert.

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.

Here’s what else you need to know to get up to speed and on with your day.

More than 50 million Americans throughout the Northeast are under flood watches on Monday, with a significant risk of flash flooding in some areas. Flash flood warnings have been issued for cities including New York City, Newark, New Jersey, and Arlington, Virginia -- including the Reagan National Airport -- through Monday evening.

On Tuesday at 6:37 a.m. the NWS Raleigh NC released a flash flood warning in effect until 8:30 a.m. The warning is for Chatham, Durham and Wake counties.