and mountain towns are isolated after days of heavy rain caused flash flooding that is expected to continue through Friday. "In Boulder, the rainfall record for September set in 1940 was shattered ...

A main roadway in St. George became waterlogged Thursday morning as flash flood threats ramped up across southern and eastern ...

Many of the outdoor recreational areas in southern Utah have a risk of flash flooding. Most places are in the “possible” category while Grand Gulch and Natural Bridges are in the “probable ...

The flooding was the worst in the state since 1976, when nearly 150 people were killed near Boulder by a flash flood along Big Thompson Canyon. In the remote town of Lyons, National Guard members ...