Thundersnow – a thunderstorm that produces snow instead of rain – is sometimes reported during winter storms across the nation and in other countries.

Thundersnow is usually only seen in strong winter storms, according to the National Weather Service. It usually requires similar ingredients from a thunderstorm to create it, like strong instability and abundant moisture above the surface, such as above a warm front. Those ingredients lining up are rare during the winter.

Two winter systems are coming together across the northern U.S. this week, bringing the potential for heavy snow and strong winds across the Great Lakes and Upper Midwest.

Two winter systems are coming together across the northern U.S. this week, bringing heavy snow, strong winds, and even the possibility of rare thundersnow to the Upper Peninsula.

A rare weather event known as "thundersnow" was captured on Feb. 29 in Montreal. Combining a unique mix of snow, lightning and thunder, the snow shower came just before a major storm hit the city. Thundersnow events are rare: less than 1 percent of all ...

Thundersnow” lit up the Cleveland sky on Thanksgiving... and the rare weather phenomenon was caught on camera!

New forecast maps show the area most likely to see freak 'thundersnow' as an Arctic blast combines with unsettled weather - while winter weather warnings are in place across Britain