<p>Hail bounced “like popcorn” at a high school track meet in Belle Fource, South Dakota on May 17.</p><p>Lenessa Keehn, who filmed the storm, said she was attending a track meet at a high school in Belle Fourche.</p><p>A local weather station warned</a> of thunderstorms, high winds, and large hail stones in the area. Credit: Lenessa Keehn via Storyful</p><br />
