BOSTON (WHDH) - The mad dash. The scramble. The race. Whatever you want to call it, the opening of the Esplanade on the Fourth of July is a tradition in Boston.

Tens of thousands will be in attendance to watch the fireworks tonight, but it’s a handful of dedicated, hardcore fans that were out bright and early.

Those spectators passed the time any way they could, fueled with red, white, and blue spirit.

Many are local, but some traveled from across the country and around the world to catch a glimpse at one of the nation’s most popular Independence Day events.

Heat and humidity continue to grip Massachusetts, with temperatures expected to reach in the low-90s for cities and towns away from the coast. Coastal areas will have temperatures that reach into the high 80s.

All of Massachusetts, aside from the Cape and the Islands, and points west, is under a heat advisory through 8 p.m.

For those headed to the Esplanade to watch the fireworks, make sure to pack extra water; however, leave the coolers at home.

RELATED: 7News partners with Bloomberg TV to air 2018 Boston Pops Fireworks Spectacular

Grills, bicycles, drones, backpacks and large coolers are not permitted. As a way to provide shade, concertgoers are welcome to bring pop-up tents during the day. Clear plastic water bottles are OK to bring, but glass bottles and cans will not be permitted.

The Boston Pops Fireworks Spectacular is packed with well-known performers, including Newton-raised Rachel Platten, known for her hit “Fight Song,” and the Grammy-winning duo “The Indigo Girls.”

For the latest weather updates, click here.

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