Stock photo.

A severe thunderstorm watch is in effect for Long Island, southern Connecticut, the NYC metro region and the lower Hudson River Valley until 9 p.m. this evening.

Some thunderstorms may be severe with damaging winds and heavy rainfall this evening, the National Weather Service said.

Some thunderstorms may produce heavy rainfall after midnight.

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures, the weather service said.

Lows tonight will be around 70. Southwest winds 10 to 15 mph. Chance of rain 80 percent.

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