15 inches of rain, in less than a week, in 15 counties of Colorado have forced the evacuation of almost 15,000 people. 6 people are believed to have died in the flood, 4 confirmed.  The rushing water and mud slides have destroyed 1,500 homes and damaged 17,000 more.

Marc Piscotty/Getty Images

How to Help

Red Cross: If you would like to help, you can donate to the American Red Cross online, or give $10 by texting REDCROSS to 90999. Text messaging fees will be waived, and 100 percent of each donation goes directly to the Red Cross.

The Salvation Army: Donate online, call 1-800-725-2769 and designate 'Colorado Floods, text GIVEHOPEIM to 80888 to donate $10 to the Salvation Army or mail checks to: The Salvation Army P.O. Box 60006 Prescott,AZ 86304

Dana Romanoff/Getty Images

President Obama signed a major disaster declaration, sending more federal aid to the region. The National Guard is helping local emergency officials and FEMA is on the way.

See photos and videos of the devastation after historic flooding in Colorado.

Marc Piscotty/Getty Images

Compilation of Colorado Flooding

Watch Flood Move In

Sidewalk Flooding

Man Filming as He Leaves Town

Mud Slide

Shots Throughout Colorado

Aerial Footage

Marc Piscotty/Getty Images
Dana Romanoff/Getty Images
Dana Romanoff/Getty Images
Marc Piscotty/Getty Images