Heavy Downpours Friday, Then Sunny Skies: LI Weekend Forecast

LONG ISLAND, NY — A frontal system is expected to bring showers and thunderstorms to Long Island on Friday, according to a hazardous weather outlook from the National Weather Service.

The heavy downpours are expected to produce isolated to scattered areas of flash flooding.

Thursday is predicted to be calm before the storm, and mostly sunny, with a high near 84 degrees.

Sunny skies will also return on Saturday and Sunday — one of the first clear weekends on Long Islanders so far this summer.

Here is the full weekend weather forecast from the National Weather Service:

Thursday: Mostly sunny, with a high near 84. Northeast wind around 7 mph becoming southeast in the afternoon.

Thursday Night: Mostly cloudy, with a low around 70. Southeast wind around 6 mph.

Friday: Showers and thunderstorms likely, mainly after 2 p.m. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 81. Southeast wind, 6 to 9 mph. Chance of precipitation is 60 percent. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 68. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60 percent. New rainfall amounts between a quarter and half of an inch possible.

Saturday: Mostly sunny, with a high near 84. West wind, 6 to 9 mph.

Saturday Night: Mostly clear, with a low around 68.

Sunday: Sunny, with a high near 84.

Sunday Night: Partly cloudy, with a low around 69.

Monday: Mostly sunny, with a high near 85.

Monday Night: Partly cloudy, with a low around 71.