Flash Flood Watch In Effect On LI; Damaging Winds Possible

LONG ISLAND, NY — A flash flood watch is in effect for much of Long Island as another round of severe storms threatens the region.

The flood watch is in effect until 10 a.m. Tuesday for Nassau County and western Suffolk County.

"Scattered to numerous thunderstorms are expected to develop this afternoon in the vicinity of a warm front," the National Weather Service says. "As this front sinks back to the south tonight it will continue to focus thunderstorm activity and heavy rain potential over the watch area, especially in and around the New York City Tri-State area. This rain will be falling in areas hard hit by heavy rain and flash flooding late last week."

Wind gusts approaching 60 mph during any storms could cause power outages and an isolated tornado cannot be ruled out.

A total of 1-3 inches of rain is likely to fall on Long Island before things dry up Tuesday morning. More stormy weather will be possible Tuesday night and Wednesday.

The full forecast:

Monday Afternoon- Showers and thunderstorms likely. Some of the storms could produce gusty winds and heavy rain. Cloudy, with a high near 80. East wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night- Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers after 3am. Some of the storms could produce gusty winds and heavy rain. Cloudy, with a low around 69. East wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday- A chance of showers before noon, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 78. East wind around 8 mph. Chance of precipitation is 40%.

Tuesday Night- A 20 percent chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 69. Southeast wind 3 to 6 mph.

Wednesday- A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 84. South wind 5 to 7 mph.

Wednesday Night- A 30 percent chance of showers and thunderstorms before 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70.

Thursday- Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87.

Thursday Night- Partly cloudy, with a low around 72.

Friday- A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

Friday Night- A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.