Cloud cover may block stargazers who want to watch it live from their backyards.
Experts said heading away from city lights and low clouds -- perhaps to mountain areas or deserts like Joshua Tree -- will provide the best views in the region.
The shower could produce up to 200 meteors per hour.
Dubbed May Camelopardalids (Camel-Oh-par-dalids), the stream of debris was left in the wake of a comet -- named 209P/LINEAR -- hundreds of years ago and should be visible across North America.
However, astronomers are unsure of how much dust has been left by the periodic comet because its orbit has usually been taken out by Jupiter's gravity.
As for the possible meteor shower, Carol Smith of the