A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans. See maps of the arctic blast.
President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years. Washington is forecast to reach only the mid-20s for a high temperature, along with gusty winds.
The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously frigid conditions.
The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, keeping it locked there. If there's any weakening in the jet stream (the fence), the frigid air can become unstable and spill out. This sends the normally trapped cold air much farther south.
Sen. John Fetterman (D-PA.) arrived at the U.S. Capitol for President Donald Trump’s inauguration sporting his trademark Carhartt hoodie and gym shorts, drawing criticism from both conservatives and liberals online.
A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.
Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.
Winter isn’t over yet! A polar vortex is bringing subzero winds, frigid temperatures, and possibly snow to the U.S., including snowbird states like Florida. National weather agencies and meteorologists are warning folks of a "shivering weather pattern" that’s forecasted to go into effect tomorrow and linger through next week.
A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.
A lobe of the polar vortex will swirl into the United States. (Video: Ben Noll/The Washington Post) Temperatures will dip dangerously low, reaching minus-20 to minus-30 in parts of North Dakota ...
The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level jet stream that typically circulates around both the North and South Poles, but can push cold winds down into the U.S. and Canada when it weakens and expands.
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.