Four people have died and at least 218 people are unaccounted for in the worst flooding Colorado has experienced in decades. The National Guard is continuing the rescue effort to reach hundreds of people trapped in their towns. There was even an ice storm at higher elevations.
The situation in and around Boulder, Colorado, has gone from bad to worse as thousands have been forced to evacuate their homes amid massive flooding. We saw some amazing pictures and video on America's Newsroom, as Alicia Acuna reported live from Boulder.