A storm system with tropical origins is triggering heavy rain in Arizona and New Mexico, where saturated soils are raising the risk of dangerous flash flooding.

Rain and thunderstorms could bring flash flooding to parts of Arizona Sept. 28-29. Here's when the heaviest rain is expected.

A flood watch has been issued for most of Arizona through Tuesday evening due to heavy rainfall from offshore storm systems.

A low pressure system will pull Hurricane Polo inland to spread tropical moisture across the Southwest. Floods likely from ...

The National Weather Service issued a severe flash flood warning for Pima County, Arizona on September 24 after 0.7 to 1.2 ...

Officials in New Mexico, Arizona, Texas and other western states are preparing for the aftermath of Hurricane Polo, which ...

Hurricane Polo has made landfall in Baja California with flash flooding and winds described by forecasters as a “life-threatening.” ...

A flash flood warning was issued by the National Weather Service in Flagstaff at 2:10 p.m. on Monday, July 13. This warning applies to Coconino and Yavapai. The National Weather Service warns: "This ...

A fatal flash flood in the Grand Canyon's Bright Angel Canyon left at least two people dead and several others missing. National Park Service officials evacuated 62 people, many by helicopter, from ...

Widespread flooding across the Navajo Nation has caused significant road damage and triggered evacuations. Several communities have been affected, and floods have forced residents to flee their homes ...

The Category 2 hurricane struck land just south of Las Barrancas, Mexico, about 80 miles (130 kilometers) north of Cabo San ...