Devastating, life-threatening floods have already started in some states as an atmospheric river causes heavy rainfall.

State rivers shows moderate flooding, with the Ohio River reaching a level that has only been seen once in the last 28 years. See where the flooding will reach.

An atmospheric river is bringing multiple rounds of heavy rainfall across the Midwestern and Southern U.S. this week.

The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation ...

The risk of flooding from a major tsunami may be greater than many realized along California’s coastline, state officials ...

Redwood City has the highest risk for severe coastal floods of any California city, according to data released Wednesday by ...

California lands are classified as either moderate ... The fire hazard severity zone maps are like flood zone maps, and they ...

Several areas in Southern California could have scattered showers throughout the day, but the potential for "damaging flooding" will not increase until the evening to overnight hours. "The good ...

A flood watch remains in effect Thursday for parts of Southern California as the region experiences rainfall and flooding conditions. The National Weather Service issued a flash flood warning for ...

The California Geological Survey recently released new maps showing that potential tsunamis increase the threat of flooding in Alameda, Monterey, and San Mateo counties, along with other coastal ...