While some Ontarians experienced a blast of winter weather early Tuesday, others reported experiencing something different as ...

As pockets of snow work through Western Washington, a few of them have been vigorous enough to produce something very unusual ...

The weather event is so rare that meteorologist Jim Cantore can barely contain his excitement when he's recorded in viral videos witnessing it.

See which towns have the highest snowfall totals as of Sunday night, and where lightning and thundersnow occurred.

Thundersnow is just a thunderstorm that produces snow instead of rain. This relatively uncommon phenomenon is usually found ...

Forecasters say Winter Storm Blair, blanketing much of Kentucky Sunday afternoon with thick snow ahead of sleet and ice, could also bring thundersnow. Thundersnow is not a common occurrence in ...

But residents of St. Louis, Missouri were able to observe thundersnow Sunday amid a major winter storm that buried Midwestern states under several feet of snow during the weekend. As of Monday ...

It's fairly rare to have convection within a winter storm. WHAT IS A BOMB CYCLONE?: Bomb cyclone is a winter hurricane. We explain. SLEET VS. FREEZING RAIN: What's the difference between sleet, ...