Flood Watch for all of Long Island from 11:00 tonight to 10:00 tomorrow morning:

Flood Watch National Weather Service New York NY 319 PM EDT Mon Aug 14 2023

A basin average of 1 to 2" of rainfall are expected across the area tonight, with locally 3" possible. Much of this rainfall will fall in a 3 to 5 hr period tonight into early Tuesday morning, over areas that have seen 2 to 4" of rain in the last week. Isolated areas of flash flooding are likely, with scattered areas of flash flooding possible in the path of the most persistent thunderstorm activity.