Widespread showers and thunderstorms combined with tropical moisture will bring rainfall rates 1 to 2 inches an hour.
An excessive heat wave will soon be quenched with some rainfall relief, but even that is predicted to be excessive and severe.
The National Weather Service out of Mount Holly, NJ has issued a flood watch for Montgomery County from 6 a.m. Friday to 2 p.m. Saturday.
According to the report, periods of heavy rain will move in late Thursday night and continuing through Saturday.
Widespread showers and thunderstorms combined with tropical moisture will result in areas of heavy rain and flash flooding, especially in urban and poor drainage areas.
Rainfall is expected at one to two inches an hour. Forecast rainfall amounts range from one to two inches, however localized amounts of three to four inches are possible, per the NWS.
Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks, according to the NWS.
The weather is forecast Thursday night for a chance of showers and thunderstorms after 3 a.m. Patchy fog after 5 a.m.
According to the forecast, Friday has an 80% chance of precipitation. Showers are likely with a thunderstorm before 11 a,m. Saturday, then a chance of showers and thunderstorms between 11 a.m. and 5 p.m. Chance of precipitation Saturday is 60%.
The storms will move out Saturday night, and Sunday is forecast at sunny and 93 degrees.
