Residents living in at least 1,300 homes have been forced to evacuate parts of Missoula city, Montana after flooding hit the area. | AccuWeather

Drone footage of flooding in the Tower Street neighborhood in Missola. Right now, the Clark Fork river is more than a foot above flood stage nearing 9 feet. People in the neighborhood are ready with sandbags set up in preparation for floodwater. Tonight at 5, 6 and 10. | NBC Montana

Here's a birds-eye view of the flooding taking place along the Clark Fork River in Missoula. | KPAX-TV

One of the largest floods ever documented raced through north Idaho. It’s called the Missoula flood, and it occurred fairly recently, like 15,000 years ago. It’s one of the events we examine in “Idaho Geology, A Convergence of Wonders,” airing Sunday at 7 p.m. on Idaho Public Television. Here’s a taste of it. And you can read about it here on our website for the show. http://idahoptv.org/outdoors/shows/geology/ | Outdoor Idaho