A pair of potent storms will sweep from Texas to the Great Lakes into this weekend, bringing flooding rain, severe thunderstorms and snow that may disrupt travel for well over 100 million in the central and eastern U.

Yes, it snowed in Hawaii this week – as much as 10 inches, in fact. But don't panic, it's actually a fairly common occurrence. "While most people think of the islands as a warm, tropical paradise, it’s not uncommon to see snow on the volcanic peaks of the Big Island," said Weather.com meteorologist Caitlin Kaiser in an online report.

Britain, already in the midst of one of its coldest and longest cold snaps in years, is set to endure heavy snowfall and strong winds later Thursday that weather authorities have warned could bring a risk to life.

An active storm track is set to bring a mix of wet and wintry weather to Ontario late this week and into the weekend. Subtropical moisture will arrive early Friday, driving a temperature surge and widespread rain showers, with snowfall expected along the northern edges of the system.

Amber warnings for heavy snow have been issued starting Thursday evening for the two counties, with such weather likely to lead to challenging travel conditions into Friday. West Midlands Railway said it anticipated some routes would be disrupted.

The Balkan region was facing its third consecutive day of heavy snow and rain Wednesday, with various countries battling traffic chaos and floods.