Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or ...

Federal forecasters are tracking a weakening polar vortex that could funnel another round of Arctic air into the Northeast during the second half of March 2026. Diagnostic data from NOAA’s Climate ...

A polar vortex split high in the stratosphere is expected to send frigid Arctic air toward Michigan and the Great Lakes. The event could bring colder-than-normal temperatures and late frosts to the ...

The weather forecast is looking promising for warmer weather as the calendar turns to March. In the East, a dramatic warm-up is in the forecast, and the Climate Prediction Center's outlook for March 6 ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...

Welcome to the Frozen Apple. Temperatures in New York City have remained below freezing since Friday — and they’re expected to stay that way until at least early next week as arctic air has settled ...

The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or shifts, Arctic air can spill south, increasing the risk of snow and ...