If the weather is good, expect one shooting star a minute, maybe more, said Cooke.
The skies will be clear for an unusually large section of the United States, said Weather Underground meteorology director Jeff Masters. Much of the East, Midwest and far West will be almost cloudless. But the forecast isn't as nice for Florida, Minnesota, Wisconsin, Arizona, Utah and Idaho.
The sky show is pieces of comet Swift-Tuttle hitting Earth's atmosphere at more than 133,000 mph and burning up. The best way to watch is to lie down and look up — no telescopes needed.
Meteor showers just touch people in a special way, said planetary scientist Sheila Kanani of the Royal Astronomical Society in London.
"For a lot of people, it's a make-a-wish kind of mentality," Kanani said. "There's something quite romantic about a meteor shower."