On Sunday at 10:25 a.m. the National Weather Service issued a flood watch valid from 11 a.m. until Monday 5 a.m. for Northern Wayne as well as Bradford and Susquehanna counties.

Slow moving showers and thunderstorms capable of heavy rain are likely Monday afternoon and evening,' the National Weather Service said.

A flood watch is in effect through tonight in some parts of central Pennsylvania. Flash flooding caused by excessive rainfall is possible.Sign up for our NewslettersThe following areas are in the watch: Adams,

A flood watch was issued by the National Weather Service on Sunday at 1:44 p.m. valid for Monday between 2 p.m. and 11 p.m. for Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery,

When the National Weather Service Office issues a flood watch, or a flash flood watch, the forecast has the potential for rainfall of one inch per hour or repeatedly over a span of a few or many hours. These locations indicated by the watch should be aware of their locations and surroundings regarding the flooding potential.

Rain arrived in Dallas-Fort Worth Saturday evening, as the region is under a flood watch. Anywhere between 1 to 3 inches of rain — with some isolated spots of 4 inches or higher — is expected, according to the National Weather Service. Meanwhile, a flood watch that began Saturday afternoon is set to last until 7 p.m. Sunday.

The National Weather Service has issued a flood watch for York County and much of central Pennsylvania. There is also a flash flood warning for west central York County until 3:30 p.m.

A flood watch was issued by the National Weather Service on Sunday at 1:44 p.m. valid for Monday between 2 p.m. and 11 p.m. for Berks, Lehigh, Northampton and Bucks counties.

Major I-95 cities -- Philadelphia, Baltimore, Washington, D.C., and Richmond, Virginia -- could be impacted as heavy downpours could bring 2-3 inches of rainfall per hour over already saturated soils, which could easily cause flash flooding.

Back-to-back flooding disasters in recent years — in Texas, New Mexico and Kentucky, among many others — have showed that preparing for flash flooding is a new necessity as the planet warms.

People living in flood-prone areas along parts of the East Coast were told to be ready to act if flooding intensifies.