Winter storms can bring all sorts of precipitation: snow, sleet, hail, freezing rain or even plain old rain. Why so much variety? The answer involves temperature changes as the precipitation falls.

It's looking increasingly likely that south Louisiana could get historic and potentially record-breaking amounts of snow Tuesday, but forecasters with the National Weather Service have been expecting ...

This weekend may preview the upcoming seasonal change with the development of graupel: soft and crushable ice pellets.