Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...

There are two of these polar vortexes -- one in the troposphere that affects weather every winter, and one in the ...

A rare weather phenomenon that hasn't occurred since 1968 could soon impact the U.S., plummeting temperatures nationwide.

Parts of the Upper Midwest and Northern Plains are already feeling the effects of air spilling in from Canada. On Thursday, ...

If you plan to attend the Macy's Thanksgiving Day Parade or run in a turkey trot, bundle up, as forecasters predict windy, near freezing conditions.

A 500 mb height anomaly for the European Ensemble The recent blast of Arctic air and high-elevation snowfall across the Northeast serves as a reminder that winter is not far off. Although temperatures ...

Palm Beach International Airport recorded a low of 45 degrees for the morning of Nov. 11. How cold was other parts of Florida ...

This winter will be marked by a La Niña event, warmer North Pacific waters, and an undulating polar vortex where cold air ...

Several inches of snow are expected to fall on Dec. 2 in the Northeast and Mid-Atlantic, with freezing rain and iced-over ...