The NWS says sleet forms when snowflakes fall through warmer air but don't completely melt. Unlike the thin layer of freezing air near the ground that causes freezing rain, sleet needs a deeper layer ...

To stay driest in the rain, is it better to walk or run? While some say you want to minimize time exposed to falling ...

"Sleet is simply frozen raindrops and occurs when the layer of freezing air along the surface is thicker," according to the National Weather Service website. "This causes the raindrops to freeze ...

These slushy drops refreeze as they next fall through a deep layer of freezing air that's right above the surface, and they eventually reach the ground as frozen raindrops that can bounce on impact.