After several days of heavy rain, The Clark Fork river overflowed it's banks in Western Montana causing flooding problems in low-lying areas. However, according to Corby Nickerson with The National Weather service in Missoula, the Clark Fork will be calming a bit over the next few days.

Authorities say 300 Roundup residents are cut off after record level flooding washed out part of a road. Roundup Emergency Official Jeff Gates said Thursday the families cut off are being supplied by boat until the road can be repaired.

Gov. Brian Schweitzer is asking President Barack Obama to declare a major disaster for Montana due to flooding. Schweitzer sent his request Wednesday, saying the size and severity of the flooding requires a response beyond the capabilities of state and local governments.

As flooding washes out roads and swamps more homes in Montana, regional rains are forcing releases from dams that promise to swell the Missouri River past its banks downstream in Iowa and the Dakotas.