Most states are expecting above-average precipitation, with temperatures varying across the U.S. during the busy travel week.

The season's first major "atmospheric river" storm is set to blast into the West Coast later this week and into the weekend, forecasters said, dumping heavy coastal rain and feet of mountain snow, ...

A powerful atmospheric river is set to bring heavy rain, strong winds, and mountain snow to the Pacific Northwest. The storm system also poses a risk of flash flooding and mudslides for parts of ...