Trapped 2: Roundup, Montana Flood Musselshell River 5-27-2011
Trapped: Roundup, Montana Flood on Musselshell River 5-26-2011
2011 Musselshell River flood
Musselshell River Flooding
Musselshell River floodwaters lower than expected, but Roundup remains on alert
The 2011 flooding on the Musselshell River in Montana began about May 21, affecting large parts of central Montana. At Mosby, Montana, the river crested at 16 feet (4.9 m) on Monday, May 23. The flood level at Mosby is 8 feet (2.4 m) and the record crest at that point along the Musselshell is 17.7 feet (5.4 m), set in 1993. The flooding was caused by up to 8 inches (200 mm) of rain combined with snowmelt.