Hang on to your coats and scarves: While the first part of this week brought a brief reprieve from the brutally cold weather the U.S. has been experiencing since January, frigid temperatures are about ...

DC swings from a warm 50 weekend to a cold start to the week, with highs in the 30s and a wintry mix as the polar vortex and jet stream bring Arctic air.

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 ...

It's that time of the year! An extensive and prolonged Arctic outbreak is on the way to impact much of the United States. From the Rockies through the Northeast and Southeast, temperatures will plunge ...

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 ...

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 ...