The warning urged immediate action, as life-threatening flash floods were already occurring or were expected soon.

A serious multi-day flood threat is underway in the Southwest as two former tropical systems turn the typically dry desert into a breeding ground for heavy rain. Soaking rainfall began over the region ...

FORT COLLINS, Colo. (AP) — A region more accustomed to baking heat than soggy weather is about to get soaked, raising the risk of flash floods that can surprise — and kill — in minutes. Downgraded ...