Thanksgiving travel is facing serious threats as a polar vortex brings a cold snap to the U.S. Here's what you need to know:

• Polar Vortex Impact: A significant cold snap is on the way, affecting travel plans nationwide.
• Weather Forecast: Expect tricky travel conditions due to incoming winter storms.
• Travel Safety: Stay updated on travel advisories and forecasts to avoid being caught off guard.

Here's the full scoop.