NYC Weather: Severe Storm, Hail, Heavy Rain Possible As Heat Breaks

NEW YORK CITY — New York City's recent 90-degree heat is about to break, but it's probably time to break out an umbrella.

The city is under a hazardous weather outlook Thursday and Friday that warns of potential severe thunderstorms and flash flooding.

"Some of the storms could produce small hail, gusty winds, and heavy rain," a National Weather Service's forecast states.

Thursday's 86-degree heat and partly sunny skies will give way to potential showers and thunderstorms overnight into Friday, which will also be noticeably cooler and much wetter,

Heavy rain is forecast for Friday, along with a panoply of other stormy weather risks.

So far, the rainfall Friday appears likely to be far below the upstate storms that washed out commuter tracks, flooded towns and left a woman dead.

Up to a half-inch of rain could fall Friday night after a day of precipitation, the forecast states.

The chance of showers and thunderstorms will carry through the weekend, according to the forecast.

Here's the complete National Weather Service forecast.

Thursday
Partly sunny, with a high near 86. South wind 5 to 11 mph.

Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a low around 76. South wind 5 to 11 mph.

Friday
Showers and thunderstorms likely, mainly after noon. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a steady temperature around 78. Southwest wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 60%. 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 9pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 72. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Saturday
A 40 percent chance of showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. South wind 5 to 9 mph.

Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.

Sunday
Showers likely, mainly after 9am. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

Sunday Night
Showers likely before 9pm, then a chance of showers and thunderstorms between 9pm and 3am. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.

Monday
Mostly sunny, with a high near 87.

Monday Night
Partly cloudy, with a low around 77.

Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

Wednesday
Mostly sunny, with a high near 84.