At least three people have been reported dead or missing and the National Weather Service issued a flash flood warning. A record number eight inches of rain fell in Boulder, increasing concern among residents. 

Earlier on Thursday, Gov. John Hickenlooper told KBCO 97.3 FM the severity of the flooding, "It's a staggering amount of precipitation. Given the drought situation we've had, it's was almost a year's worth of rain."

Read more about the Colorado flood situation here:

Reach Executive Producer Shilpa Nagesh here or follow her on Twitter.