A blast of polar vortex cold air is expected to hit parts of the country around Thanksgiving. What to expect in Tennessee.

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter much of the western United States and Midwest with heavy snow and cold ...

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...

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