A winter storm will deliver a punch of snow to millions in the Northeast after it dumps more white stuff on the snowy Midwest ...

Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

Thanksgiving is a week away and the weather has the potential to disrupt travel for the tens of millions visiting family and friends.

The latest forecast and air quality conditions for the greater Los Angeles area, including beaches, valleys and desert ...