The Macy's 4th of July fireworks will begin at 9:02 p.m. instead of closer to 9:30 because of incoming weather, the New York City Department of Emergency Management said in an alert.

Riverhead Town has moved its fireworks show at South Jamesport Beach up to 9 p.m., from 9:30 p.m., for the same reason.

Radar shows a line of thunderstorms heading towards the area, which is under a severe thunderstorm watch, later in the evening.

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