Temperatures will plummet by up to 40 degrees this weekend as an arctic blast spreads across much of the U.S., including the Deep South.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

The most potent blast will enter the north-central U.S. on Friday, the National Weather Service warned, before roaring across much of the rest of the nation over the weekend. Arctic air will ...

Another Arctic front will navigate across the North Country and down to the Upper Valley by late tonight. In the wake of that ...

A large part of the U.S. is getting hit with another Arctic blast, adding to an already cold January 2025. Forecasters expect temperatures to drop below zero in several states, and to plunge to more ...

A blast of Arctic air is expected to arrive in Mississippi soon as the Arctic jet stream pushes farther South than usual and allows air from as far as Siberia to move into the U.S., according to the ...

CTV Atlantic meteorologist Kalin Mitchell breaks down what a blast of arctic air is bringing to Canadians from coast-to-coast ...

Winter’s most potent Arctic blast yet is about to unleash dangerously low temperatures that will be the coldest to hit the United States in a year.

After a December of temperatures well above average, this weekend looks to provide us with a good blast of January cold. Beginning Friday, temperatures across Minnesota should return to normal, as ...

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

This morning’s post discusses the potential for rain showers this week, which is high on Wednesday and Thursday. However, ...

An unstable air mass, combined with an area of convergence due to Arctic outflow winds over the Strait of Georgia, will continue to produce strait-effect snowfall over Vancouver Island and the Gulf ...