India, Nov. 22 -- This Thanksgiving holiday, nearly 82 million Americans are expected to hit the road or the skies. It is the highest in the last years according to projections from the American Automobile Association (AAA).

Several new forecasts and advisories have highlighted congested routes, variable weather conditions and strategic timing for smoother journeys.

Here are a few things to keep in mind before travel:

Meteorologist Paul Pastelok of Accuweather told USA TODAY that trouble could begin as early as Monday (November 24). A storm moving from Southern California is expected to bring heavy rain and possible flooding to Central Texas.

According to Pastelok, the system should shift north and east by Tuesday. This will result in...